SY/T 5587.14-1993 Cementing plugging operation procedures for conventional well repair operations in oil and water wells
Some standard content:
Petroleum and Natural Gas Industry Standard of the People's Republic of China SY/T5587.14--93
Conventional Well Repair Operations for Oil and Water Wells
Cementing Plug Operation Procedures
Published on September 9, 1993
China National Petroleum Corporation
Implemented on March 1, 1994
1 Subject Content and Applicable Model Letters
Petroleum and Natural Gas Industry Standard of the People's Republic of China Conventional Well Repair Operations for Oil and Water Wells
Cementing Plug Operation Procedures
SY/T 5587.14—93
This standard specifies the operation design, operation preparation, operation procedures, quality control and safety requirements, data collection and quality inspection of cementing plugs.
This standard is applicable to cementing plug operations of conventional oil (gas) and water vertical wells completed with holes and perforations, and can also be used as a reference for cementing plug operations of other types of wells.
2 Reference standards
SY/T5587.3 Conventional well repair for oil and water wells, well pressure replacement and blowdown operation proceduresSY/T5587.8 Conventional well repair for oil and water wells, well pipe pulling and lowering operation proceduresSY/T5587.17 Conventional well repair for oil and water wells, well clearing and casing scraping operation procedures3 Operation design
3.1 Data collection
3.1.1 Collect casing specifications, layer and well section, formation permeability of the operation well. Temperature, pressure coefficient, liquid production and its properties, and leakage.
3.1,2 Cement performance.
3.2 Design principles
3,2.1 The thickness of the cement plug should generally be more than 10m. 3.2.2 The distance from the top of the plugging layer to the cement plug surface must be greater than 6m. 3.2.3 The depth of the wellbore pocket after water injection and filter plugging should meet geological requirements. 3.2.4 When two cement plugs must be injected to seal the well, the surface of the first cement plug should be within 50m above the top of the perforated well section, and the surface of the second cement plug should be determined according to the design requirements. Each cement plug should be tested and qualified by the pressure test: 3.2.5 When using non-clean water to pressurize the well, an appropriate amount of clean water must be replaced as an isolation fluid before and after the repair and merging fluid. Wells with a depth of more than 3600m must use high-quality repair and merging fluid.
3.3 Requirements for the preparation of cement plug design
The content and format of the preparation should comply with the requirements of Appendix A (Supplement). 4: Operation preparation
4.1 Material preparation
4.1.1 Prepare sufficient qualified oil well cement and additives according to the design requirements, and store them properly to prevent moisture. The selection of cement is specified in Table 1.
4.1.2 Before the operation, take cement and water samples to conduct cement slurry initial setting, final setting, fluidity test and additive formula test. The cement curing temperature should be based on the temperature of the operation section.
4.1.3 Prepare enough repair and merging fluid, the total amount of which should not be less than 1.5 times the amount used. China National Petroleum Corporation approved on September 9, 1993 and implemented on March 1, 1994
Formation temperature, C
>75~95
≥95~120
4,2 Preparation of merging and pipe string
SY/T5587.14--93
Table 1 Selection of ice mud
4.2.1 Thoroughly remove the dirt on the wellbore according to the provisions of SY/T5587.17. Select cement type, C
120 and add retarder
4,2.2 Press and merging according to the provisions of SY/T587,3 to achieve a balance between the wellbore wave column pressure and the formation pressure. 4.2.3 Calculate and measure accurately, prepare the cement plug pipe string, and make records. 4.3 Preparation of ground facilities and equipment
4.3.1 The water pressure sealing test of the parallel port and the ground high-pressure pipeline should be twice the expected operating pressure. 4.3.2 Check the lifting power equipment, parallel frame, swimming system, tools and utensils. 4.3.3 There must be a spare cement truck at the well site. 5 Operation procedures
5.1 According to the provisions of SY/T-5587.6, lower the cement plug pipe string into the well to the replacement cement slurry depth specified in the design. 5.2 After the cement truck is in place, connect the parallel port inlet and outlet pipelines, and conduct a water penetration test on the parallel port and high-pressure pipeline. 5.3 Circulate the liquid inside the well to check whether the ground system is working properly. 5.4 Prepare cement slurry according to the design requirements. The cement slurry should be mixed evenly, without any foreign matter, and the density should not be less than 1.85g/cm°. 5.5 Replace the cement slurry specified in the design. 5.6 Replace the displacement fluid required by the design, and control the displacement displacement to 0.5m°/min. 5.7 Lift the pipe grid to the backwashing position.
5.8 Use the one-time multiple backwashing method to wash out the excess cement slurry. 5.9. Lift the pipe grid to more than 100m away from the working section. 5.10
Fill the wellbore with workover fluid.
Close the well and wait for setting. See Table 2 for the setting time. Table 2
Cement plastic number, "C
120 plus retarder
Talk about setting time, five
After setting, the pipe string should be slowly deepened when exploring the cement surface. After the pressure is 5~10kN and the two depths are consistent, the pipe string is lifted up and the pressure gauge is installed on the wellhead of 20m.
SY/T 5587.14—93
5.13 Cement plug is tested for pressure. The test pressure is specified in Table 3. Table
Casing specifications
127,0-139.7
168.3~193.7
6 Operation quality control and safety requirements
6.1 Quality Control
Test Pressure
Pump Stop Observation Time
Before displacing cement slurry, ensure that the liquid level of the tubing and casing is at the wellhead. The water used to prepare the cement slurry and the water used for the isolation fluid must be consistent with the test water. 6.1.2[
The replacement fluid must be accurately measured to ensure that the cement slurry surface of the tubing and casing is balanced. 6.1.31
The temperature must be stable during the solidification period, and the liquid level of the tubing and casing must be at the wellhead. 6.1.4
For high-pressure unstable wells or wells with large interlayer disturbances, the Adopt pressure waiting and setting, generally the pressure is 3~5MpA. 6.1.53
6.1.6 Waiting time shall be in accordance with the requirements of Table 2 to ensure the solidification quality of cement plug. 6.2 Safety requirements
There must be a dedicated person to direct and measure.
If the lifting equipment fails during the operation, all cement slurry should be quickly backwashed out. 6.2.2
Allowable pressure drop
6.2.3 If the cement truck fails during the operation, it should be immediately lifted and the inner pipe column should be lifted to a safe height (or taken out of the well). The operation time from preparing cement slurry to backwashing and starting shall not exceed 50% of the initial setting time. The backwashing well shall not be stopped. 6.2.4
When closing the well for setting, the joint must be sealed without leakage to prevent the cement plug from moving up. 6.2.5
6.2.6 When exploring the village without cement plug, the pipe string must be lifted to the original setting depth. Avoid the unsolidified cement slurry blocking or fixing the pipe string.
7 Operation quality and summary
7.1 Operation quality
7. 1.1 The cement plug surface must meet the design requirements. 7.1.2 The cement plug pressure test must meet the requirements of Table 3. 7.1.3 The casing should be free of damage after the operation.
7.1.4 The workover fluid should not pollute the oil layer.
7.2 Operation data collection
For data collection, please refer to the provisions of Appendix B (Supplement). 7.3 Operation summary
For the format and content of the operation summary, please refer to the provisions of Appendix C (Supplement). 3
Install the pressure gauge.
sY/T 5587.14-93
5.13 Test the cement plug. The test pressure is specified in Table 3. Table 3
Casing specifications
127,0~130,7
168,3~183.7
6 Operation quality control and safety requirements
6.1 Quality control
Test pressure
Pump stop observation time
Before replacing cement slurry, ensure that the liquid level of the tubing and casing is at the wellhead. 6.1.11
The water used for preparing cement slurry and the water used for isolation fluid must be consistent with the test water. 6.1.21
The replacement fluid must be accurately measured to ensure the balance of the cement slurry surface of the casing and oil pipe. 6.1.31
When recovering, the fluid must be stable and the liquid level of the casing and oil pipe must be at the wellhead. 6.1.4
Allowable pressure drop
6.1.5For high-pressure unstable wells or wells with large interlayer interference, pressurized setting should be adopted, generally with a pressure of 3~~5Mpa. 6.1.6The setting time should be in accordance with the requirements of Table 2 to ensure the solidification quality of the cement plug. 6.2 Safety requirements
There must be a dedicated person to select and measure.
If the lifting equipment fails during the operation, all cement slurry should be quickly reversed and removed. 6.2.2
If the cement truck fails during the operation, the pipe string in the well should be immediately lifted up to a safe height (or all pipe strings in the well should be removed). 6.2.3
The operation time from preparing cement slurry to starting backwashing shall not exceed 50% of the initial setting time. The well shall not be shut down during backwashing. During the waiting time for setting, the wellhead must be sealed without leakage to prevent the water plug from moving up. 6.2.5
When probing without cement plug surface, the pipe string must be lifted to the original waiting depth. Avoid the uncured cement slurry from clogging or solidifying the pipe string. 6.2.6
Operation quality and summary
7.1 Operation quality
7.1.1 The cement plug surface must meet the design requirements. 7.1.2 The cement plug pressure test must meet the requirements of Table 8. 7.1.3 The casing should be free of damage after the operation.
7.14 The workover fluid should not pollute the oil layer.
7.2·Operation data admission
For data admission, please refer to the provisions of Appendix B (Supplement). 7.3 Work summary
For the format and content of the work summary, please refer to Appendix C (Supplement). 3
Radial size
SY/T 5587.14-93
Appendix A
Content and format of cement plug design
(Supplement)
Use 880mm×1230mm paper with 18-page format. A2 format and content
A2,1 Cover format
Letter of cement plugging
Operating unit:
A2.2 Content format
Basic data
Completed well depth
Artificial well bottom
Oil layer casing specifications
Brief description of plugging layer section
Plugging layer position and layer number
Plugging layer section, m
Day Production, m*/d
Chloride content, mg/L
Formation temperature, ℃
Purpose of water injection vortex plug
Design data of cement plug
Upper production position, layer number
Upper production support section
Pre-approved cement plug foundation
Thickness of cement plug
Construction steps
1) Depth from pipe down to cement plug:
SY/T 5587.14--93
's casing depth
cement return height
oil compensation distance
jade strength coefficient
permeability, um
loss coefficient
well killing fluid name
well killing fluid density, name/c beat
cement slurry volume, m8
cement slurry density, g/cm\
speed avoidance agent
seat and port.
2) Connect the positive and reverse well pipelines. Test the surface pipeline for pressure loss).
3) Prepare cement slurry
(1) Clean water
(3) Additional amount of clean water
(5) Cement slurry density
Positive replacement amount of cement slurry
Lifting pipe
Lifting pipe
MPa, it is qualified if there is no puncture or leakage (if necessary, the soul layer can be tested) (2) Cement
(4) Prepare cement slurry amount
g/cm.
L, item replacement amount
root, depth
root, depth||t t||m after backwashing the well to flush out the excess cement slurry. m, set the wellhead, shut in the well and wait for solidification
After waiting for solidification, probe the cement surface. Lift the pipe string 20m again, wash and unblock it, then set the wellhead and test the pressure. 一7
The pressure drop is not more than 0.5MPa, which is qualified (the naked hole is not tested for pressure). MPa, after 30min,
Material requirements and planning
7. Special vehicle planning
Safety precautions
Qualified cement must be delivered.
SY/T 5587.14-93
Before injecting water filter plug, wash the well and circulate, and reach the inlet and outlet liquid to be qualified. Before injecting cement plug, prepare enough repair and
Before injecting cement plug, the pipe string must be verified (if necessary, test the artificial well bottom). When injecting cement plug, the amount of cement slurry and displacement must be accurately measured. 5)
Tools and utensils must be flexible and easy to use, and placed in order. B)
Before the operation, clarify the division of labor, organize and implement, and command. The operation lifting equipment (drilling rig or well hauling machine) works normally. 8)
9) If the lifting equipment fails during the operation, it should be backwashed immediately. 9. Approval opinion
SY/T 5587,14--93
Appendix B
Format and content of cement plugging operation record
(supplement)
Format and content of cement plugging operation record
Well number:
Pipeline structure depth:
Wellhead pipeline pressure test time:
Circulation time,
Time for preparing cement slurry,
Paint additive model and dosage,
Time for replacing cement slurry,
Time for replacing displacement fluid:
Export description.
Time to lift the pipe string:
Backwashing time:
Indicator,
Time to lift the pipe string,
Backwashing time,
Shut-in time, :
Plug surface detection time,
Raise the pipe string,
Pressure test time:
Casing specification × depth
Ⅱ; Repair and flushing density
Pressure,
Pump pressure and displacement:
Clean water consumption:
Cement slurry density and quantity,
, Cement slurry volume:
Liquid volume,
Liquid volume:
; Number of roots
: Liquid volume:
: Operation time:
MPa: Result|| tt||m*/mi丑: Export description
blood, cement model and dosage,
m\, direct pressure displacement:
m\: Pump positive displacement,
,: completion depth,
m\, pump pressure displacement:
completion depth,
m"; pump pressure displacement,
and port pressure change
probe times×pressure load:
: number of roots;
liquid volume:
completion depth:
pump pressure,
kN: plug surface depth,
ma/min
mu/min
ms/min
MPa; conclusion,
damp surface size
SY/T 5587.14—93
Appendix C
Format and content of cement plugging operation summary
(Supplement)
Use 880mm×1230mm paper size 16K format. C2 Format and content
Cover format
Summary of Jiang cement plugging operation
Compiler:
Reviewer
Operation unit:
C2.2 Content format
Basic data||tt ||Operation date
Original artificial well corrosion, ㎡
Upper production section, m
Seal layer pressure coefficient
Seal layer air root content
Design cement plug surface, И
Cement grade and dosage, t
Repair liquid density, g/c8
Purpose of cement plugging
Important technical measures
Brief description of operation
5. Conclusion
Additional remarks:
sY/T 5587.14—93
Oil layer casing specifications, mm
Oil filling distance
Plugging layer section
Plugging layer temperature, ℃
Plugging layer production, m\
Actual cement plug surface, II
Cement slurry density, g/cm\
Cement plug pressure test value, MPa
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard is drafted by the North China Petroleum Administration and its operating companies. The drafters of this standard are Chu Guangqi and Deng Dexian. a14—-93
Appendix A
Content and format of cement plug design
(supplement)
Use 880mm×1230mm paper size 18-page. A2 format and content
A2,1 Cover format
Cement plug design
Operating unit:
A2.2 Content format
Basic data
Completed well depth
Artificial well bottom
Oil layer casing specifications
Brief description of plugging layer section
Plugging layer position, layer number
Plugging layer well section, m
Day Production, m*/d
Chloride content, mg/L
Formation temperature, ℃
Purpose of water injection vortex plug
Design data of cement plug
Upper production position, layer number
Upper production support section
Pre-approved cement plug foundation
Thickness of cement plug
Construction steps
1) Depth from pipe down to cement plug:
SY/T 5587.14--93
's casing depth
cement return height
oil compensation distance
jade strength coefficient
permeability, um
loss coefficient
well killing fluid name
well killing fluid density, name/c beat
cement slurry volume, m8
cement slurry density, g/cm\
speed avoidance agent
seat and port.
2) Connect the positive and reverse well pipelines. Test the surface pipeline for pressure loss).
3) Prepare cement slurry
(1) Clean water
(3) Additional amount of clean water
(5) Cement slurry density
Positive replacement amount of cement slurry
Lifting pipe
Lifting pipe
MPa, it is qualified if there is no puncture or leakage (if necessary, the soul layer can be tested) (2) Cement
(4) Prepare cement slurry amount
g/cm.
L, item replacement amount
root, depth
root, depth||t t||m after backwashing the well to flush out the excess cement slurry. m, set the wellhead, shut in the well and wait for solidification
After waiting for solidification, probe the cement surface. Lift the pipe string 20m again, wash and unblock it, then set the wellhead and test the pressure. 一7
The pressure drop is not more than 0.5MPa, which is qualified (the naked hole is not tested for pressure). MPa, after 30min,
Material requirements and planning
7. Special vehicle planning
Safety precautions
Qualified cement must be delivered.
SY/T 5587.14-93
Before injecting water filter plug, wash the well and circulate, and reach the inlet and outlet liquid to be qualified. Before injecting cement plug, prepare enough repair and
Before injecting cement plug, the pipe string must be verified (if necessary, test the artificial well bottom). When injecting cement plug, the amount of cement slurry and displacement must be accurately measured. 5)
Tools and utensils must be flexible and easy to use, and placed in order. B)
Before the operation, clarify the division of labor, organize and implement, and command. The operation lifting equipment (drilling rig or well hauling machine) works normally. 8)
9) If the lifting equipment fails during the operation, it should be backwashed immediately. 9. Approval opinion
SY/T 5587,14--93
Appendix B
Format and content of cement plugging operation record
(supplement)
Format and content of cement plugging operation record
Well number:
Pipeline structure depth:
Wellhead pipeline pressure test time:
Circulation time,
Time for preparing cement slurry,
Paint additive model and dosage,
Time for replacing cement slurry,
Time for replacing displacement fluid:
Export description.
Time to lift the pipe string:
Backwashing time:
Indicator,
Time to lift the pipe string,
Backwashing time,
Shut-in time, :
Plug surface detection time,
Raise the pipe string,
Pressure test time:
Casing specification × depth
Ⅱ; Repair and flushing density
Pressure,
Pump pressure and displacement:
Clean water consumption:
Cement slurry density and quantity,
, Cement slurry volume:
Liquid volume,
Liquid volume:
; Number of roots
: Liquid volume:
: Operation time:
MPa: Result|| tt||m*/mi丑: Export description
blood, cement model and dosage,
m\, direct pressure displacement:
m\: Pump positive displacement,
,: completion depth,
m\, pump pressure displacement:
completion depth,
m"; pump pressure displacement,
and port pressure change
probe times×pressure load:
: number of roots;
liquid volume:
completion depth:
pump pressure,
kN: plug surface depth,
ma/min
mu/min
ms/min
MPa; conclusion,
damp surface size
SY/T 5587.14—93
Appendix C
Format and content of cement plugging operation summary
(Supplement)
Use 880mm×1230mm paper size 16K format. C2 Format and content
Cover format
Summary of Jiang cement plugging operation
Compiler:
Reviewer
Operation unit:
C2.2 Content format
Basic data||tt ||Operation date
Original artificial well corrosion, ㎡
Upper production section, m
Seal layer pressure coefficient
Seal layer air root content
Design cement plug surface, И
Cement grade and dosage, t
Repair liquid density, g/c8
Purpose of cement plugging
Important technical measures
Brief description of operation
5. Conclusion
Additional remarks:
sY/T 5587.14—93
Oil layer casing specifications, mm
Oil filling distance
Plugging layer section
Plugging layer temperature, ℃
Plugging layer production, m\
Actual cement plug surface, II
Cement slurry density, g/cm\
Cement plug pressure test value, MPa
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard is drafted by the North China Petroleum Administration and its operating companies. The drafters of this standard are Chu Guangqi and Deng Dexian. a14—-93
Appendix A
Content and format of cement plug design
(supplement)
Use 880mm×1230mm paper size 18-page. A2 format and content
A2,1 Cover format
Cement plug design
Operating unit:
A2.2 Content format
Basic data
Completed well depth
Artificial well bottom
Oil layer casing specifications
Brief description of plugging layer section
Plugging layer position, layer number
Plugging layer well section, m
Day Production, m*/d
Chloride content, mg/L
Formation temperature, ℃
Purpose of water injection vortex plug
Design data of cement plug
Upper production position, layer number
Upper production support section
Pre-approved cement plug foundation
Thickness of cement plug
Construction steps
1) Depth from pipe down to cement plug:
SY/T 5587.14--93
's casing depth
cement return height
oil compensation distance
jade strength coefficient
permeability, um
loss coefficient
well killing fluid name
well killing fluid density, name/c beat
cement slurry volume, m8
cement slurry density, g/cm\
speed avoidance agent
seat and port.
2) Connect the positive and reverse well pipelines. Test the surface pipeline for pressure loss).
3) Prepare cement slurry
(1) Clean water
(3) Additional amount of clean water
(5) Cement slurry density
Positive replacement amount of cement slurry
Lifting pipe
Lifting pipe
MPa, it is qualified if there is no puncture or leakage (if necessary, the soul layer can be tested) (2) Cement
(4) Prepare cement slurry amount
g/cm.
L, item replacement amount
root, depth
root, depth||t t||m after backwashing the well to flush out the excess cement slurry. m, set the wellhead, shut in the well and wait for solidification
After waiting for solidification, probe the cement surface. Lift the pipe string 20m again, wash and unblock it, then set the wellhead and test the pressure. 一7
The pressure drop is not more than 0.5MPa, which is qualified (the naked hole is not tested for pressure). MPa, after 30min,
Material requirements and planning
7. Special vehicle planning
Safety precautions
Qualified cement must be delivered.
SY/T 5587.14-93
Before injecting water filter plug, wash the well and circulate, and reach the inlet and outlet liquid to be qualified. Before injecting cement plug, prepare enough repair and
Before injecting cement plug, the pipe string must be verified (if necessary, test the artificial well bottom). When injecting cement plug, the amount of cement slurry and displacement must be accurately measured. 5)
Tools and utensils must be flexible and easy to use, and placed in order. B)
Before the operation, clarify the division of labor, organize and implement, and command. The operation lifting equipment (drilling rig or well hauling machine) works normally. 8)
9) If the lifting equipment fails during the operation, it should be backwashed immediately. 9. Approval opinion
SY/T 5587,14--93
Appendix B
Format and content of cement plugging operation record
(supplement)
Format and content of cement plugging operation record
Well number:
Pipeline structure depth:
Wellhead pipeline pressure test time:
Circulation time,
Time for preparing cement slurry,
Paint additive model and dosage,
Time for replacing cement slurry,
Time for replacing displacement fluid:
Export description.
Time to lift the pipe string:
Backwashing time:
Indicator,
Time to lift the pipe string,
Backwashing time,
Shut-in time, :
Plug surface detection time,
Raise the pipe string,
Pressure test time:
Casing specification × depth
Ⅱ; Repair and flushing density
Pressure,
Pump pressure and displacement:
Clean water consumption:
Cement slurry density and quantity,
, Cement slurry volume:
Liquid volume,
Liquid volume:
; Number of roots
: Liquid volume:
: Operation time:
MPa: Result|| tt||m*/mi丑: Export description
blood, cement model and dosage,
m\, direct pressure displacement:
m\: Pump positive displacement,
,: completion depth,
m\, pump pressure displacement:
completion depth,
m"; pump pressure displacement,
and port pressure change
probe times×pressure load:
: number of roots;
liquid volume:
completion depth:
pump pressure,
kN: plug surface depth,
ma/min
mu/min
ms/min
MPa; conclusion,
damp surface size
SY/T 5587.14—93
Appendix C
Format and content of cement plugging operation summary
(Supplement)
Use 880mm×1230mm paper size 16K format. C2 Format and content
Cover format
Summary of Jiang cement plugging operation
Compiler:
Reviewer
Operation unit:
C2.2 Content format
Basic data||tt ||Operation date
Original artificial well corrosion, ㎡
Upper production section, m
Seal layer pressure coefficient
Seal layer air root content
Design cement plug surface, И
Cement grade and dosage, t
Repair liquid density, g/c8
Purpose of cement plugging
Important technical measures
Brief description of operation
5. Conclusion
Additional remarks:
sY/T 5587.14—93
Oil layer casing specifications, mm
Oil filling distance
Plugging layer section
Plugging layer temperature, ℃
Plugging layer production, m\
Actual cement plug surface, II
Cement slurry density, g/cm\
Cement plug pressure test value, MPa
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard is drafted by the North China Petroleum Administration and its operating companies. The drafters of this standard are Chu Guangqi and Deng Dexian. a14--93
's casing depth
cement return height
oil compensation distance
jade strength coefficient
permeability, um
loss coefficient
well killing fluid name
well killing fluid density, name/c beat
cement slurry volume, m8
cement slurry density, g/cm\
speed avoidance agent
seat and port.
2) Connect the positive and reverse well pipelines. Test the surface pipeline for pressure loss).
3) Prepare cement slurry
(1) Clean water
(3) Additional amount of clean water
(5) Cement slurry density
Positive replacement amount of cement slurry
Lifting pipe
Lifting pipe
MPa, it is qualified if there is no puncture or leakage (if necessary, the soul layer can be tested) (2) Cement
(4) Prepare cement slurry amount
g/cm.
L, item replacement amount
root, depth
root, depth||t t||m after backwashing the well to flush out the excess cement slurry. m, set the wellhead, shut in the well and wait for solidification
After waiting for solidification, probe the cement surface. Lift the pipe string 20m again, wash and unblock it, then set the wellhead and test the pressure. 一7
The pressure drop is not more than 0.5MPa, which is qualified (the naked hole is not tested for pressure). MPa, after 30min,
Material requirements and planning
7. Special vehicle planning
Safety precautions
Qualified cement must be delivered.
SY/T 5587.14-93
Before injecting water filter plug, wash the well and circulate, and reach the inlet and outlet liquid to be qualified. Before injecting cement plug, prepare enough repair and
Before injecting cement plug, the pipe string must be verified (if necessary, test the artificial well bottom). When injecting cement plug, the amount of cement slurry and displacement must be accurately measured. 5)
Tools and utensils must be flexible and easy to use, and placed in order. B)
Before the operation, clarify the division of labor, organize and implement, and command. The operation lifting equipment (drilling rig or well hauling machine) works normally. 8)
9) If the lifting equipment fails during the operation, it should be backwashed immediately. 9. Approval opinion
SY/T 5587,14--93
Appendix B
Format and content of cement plugging operation record
(supplement)
Format and content of cement plugging operation record
Well number:
Pipeline structure depth:
Wellhead pipeline pressure test time:
Circulation time,
Time for preparing cement slurry,
Paint additive model and dosage,
Time for replacing cement slurry,
Time for replacing displacement fluid:
Export description.
Time to lift the pipe string:
Backwashing time:
Indicator,
Time to lift the pipe string,
Backwashing time,
Shut-in time, :
Plug surface detection time,
Raise the pipe string,
Pressure test time:
Casing specification × depth
Ⅱ; Repair and flushing density
Pressure,
Pump pressure and displacement:
Clean water consumption:
Cement slurry density and quantity,
, Cement slurry volume:
Liquid volume,
Liquid volume:
; Number of roots
: Liquid volume:
: Operation time:
MPa: Result|| tt||m*/mi丑: Export description
blood, cement model and dosage,
m\, direct pressure displacement:
m\: Pump positive displacement,
,: completion depth,
m\, pump pressure displacement:
completion depth,
m"; pump pressure displacement,
and port pressure change
probe times×pressure load:
: number of roots;
liquid volume:
completion depth:
pump pressure,
kN: plug surface depth,
ma/min
mu/min
ms/min
MPa; conclusion,
damp surface size
SY/T 5587.14—93
Appendix C
Format and content of cement plugging operation summary
(Supplement)
Use 880mm×1230mm paper size 16K format. C2 Format and content
Cover format
Summary of Jiang cement plugging operation
Compiler:
Reviewerwww.bzxz.net
Operation unit:
C2.2 Content format
Basic data||tt ||Operation date
Original artificial well corrosion, ㎡
Upper production section, m
Seal layer pressure coefficient
Seal layer air root content
Design cement plug surface, И
Cement grade and dosage, t
Repair liquid density, g/c8
Purpose of cement plugging
Important technical measures
Brief description of operation
5. Conclusion
Additional remarks:
sY/T 5587.14—93
Oil layer casing specifications, mm
Oil filling distance
Plugging layer section
Plugging layer temperature, ℃
Plugging layer production, m\
Actual cement plug surface, II
Cement slurry density, g/cm\
Cement plug pressure test value, MPa
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard is drafted by the North China Petroleum Administration and its operating companies. The drafters of this standard are Chu Guangqi and Deng Dexian. a14--93
's casing depth
cement return height
oil compensation distance
jade strength coefficient
permeability, um
loss coefficient
well killing fluid name
well killing fluid density, name/c beat
cement slurry volume, m8
cement slurry density, g/cm\
speed avoidance agent
seat and port.
2) Connect the positive and reverse well pipelines. Test the surface pipeline for pressure loss).
3) Prepare cement slurry
(1) Clean water
(3) Additional amount of clean water
(5) Cement slurry density
Positive replacement amount of cement slurry
Lifting pipe
Lifting pipe
MPa, it is qualified if there is no puncture or leakage (if necessary, the soul layer can be tested) (2) Cement
(4) Prepare cement slurry amount
g/cm.
L, item replacement amount
root, depth
root, depth||t t||m after backwashing the well to flush out the excess cement slurry. m, set the wellhead, shut in the well and wait for solidification
After waiting for solidification, probe the cement surface. Lift the pipe string 20m again, wash and unblock it, then set the wellhead and test the pressure. 一7
The pressure drop is not more than 0.5MPa, which is qualified (the naked hole is not tested for pressure). MPa, after 30min,
Material requirements and planning
7. Special vehicle planning
Safety precautions
Qualified cement must be delivered.
SY/T 5587.14-93
Before injecting water filter plug, wash the well and circulate, and reach the inlet and outlet liquid to be qualified. Before injecting cement plug, prepare enough repair and
Before injecting cement plug, the pipe string must be verified (if necessary, test the artificial well bottom). When injecting cement plug, the amount of cement slurry and displacement must be accurately measured. 5)
Tools and utensils must be flexible and easy to use, and placed in order. B)
Before the operation, clarify the division of labor, organize and implement, and command. The operation lifting equipment (drilling rig or well hauling machine) works normally. 8)
9) If the lifting equipment fails during the operation, it should be backwashed immediately. 9. Approval opinion
SY/T 5587,14--93
Appendix B
Format and content of cement plugging operation record
(supplement)
Format and content of cement plugging operation record
Well number:
Pipeline structure depth:
Wellhead pipeline pressure test time:
Circulation time,
Time for preparing cement slurry,
Paint additive model and dosage,
Time for replacing cement slurry,
Time for replacing displacement fluid:
Export description.
Time to lift the pipe string:
Backwashing time:
Indicator,
Time to lift the pipe string,
Backwashing time,
Shut-in time, :
Plug surface detection time,
Raise the pipe string,
Pressure test time:
Casing specification × depth
Ⅱ; Repair and flushing density
Pressure,
Pump pressure and displacement:
Clean water consumption:
Cement slurry density and quantity,
, Cement slurry volume:
Liquid volume,
Liquid volume:
; Number of roots
: Liquid volume:
: Operation time:
MPa: Result|| tt||m*/mi丑: Export description
blood, cement model and dosage,
m\, direct pressure displacement:
m\: Pump positive displacement,
,: completion depth,
m\, pump pressure displacement:
completion depth,
m"; pump pressure displacement,
and port pressure change
probe times×pressure load:
: number of roots;
liquid volume:
completion depth:
pump pressure,
kN: plug surface depth,
ma/min
mu/min
ms/min
MPa; conclusion,
damp surface size
SY/T 5587.14—93
Appendix C
Format and content of cement plugging operation summary
(Supplement)
Use 880mm×1230mm paper size 16K format. C2 Format and content
Cover format
Summary of Jiang cement plugging operation
Compiler:
Reviewer
Operation unit:
C2.2 Content format
Basic data||tt ||Operation date
Original artificial well corrosion, ㎡
Upper production section, m
Seal layer pressure coefficient
Seal layer air root content
Design cement plug surface, И
Cement grade and dosage, t
Repair liquid density, g/c8
Purpose of cement plugging
Important technical measures
Brief description of operation
5. Conclusion
Additional remarks:
sY/T 5587.14—93
Oil layer casing specifications, mm
Oil filling distance
Plugging layer section
Plugging layer temperature, ℃
Plugging layer production, m\
Actual cement plug surface, II
Cement slurry density, g/cm\
Cement plug pressure test value, MPa
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard is drafted by the North China Petroleum Administration and its operating companies. The drafters of this standard are Chu Guangqi and Deng Dexian. a14--93
Appendix B
Format and content of cement plugging operation record
(supplement)
Format and content of cement plugging operation record
Well number:
Pipeline structure depth:
Wellhead pipeline pressure test time:
Circulation time,
Time for preparing cement slurry,
Paint additive model and dosage,
Time for replacing cement slurry,
Time for replacing displacement fluid:
Export description.
Time to lift the pipe string:
Backwashing time:
Indicator,
Time to lift the pipe string,
Backwashing time,
Shut-in time, :
Plug surface detection time,
Raise the pipe string,
Pressure test time:
Casing specification × depth
Ⅱ; Repair and flushing density
Pressure,
Pump pressure and displacement:
Clean water consumption:
Cement slurry density and quantity,
, Cement slurry volume:
Liquid volume,
Liquid volume:
; Number of roots
: Liquid volume:
: Operation time:
MPa: Result|| tt||m*/mi丑: Export description
blood, cement model and dosage,
m\, direct pressure displacement:
m\: Pump positive displacement,
,: completion depth,
m\, pump pressure displacement:
completion depth,
m"; pump pressure displacement,
and port pressure change
probe times×pressure load:
: number of roots;
liquid volume:
completion depth:
pump pressure,
kN: plug surface depth,
ma/min
mu/min
ms/min
MPa; conclusion,
damp surface size
SY/T 5587.14—93
Appendix C
Format and content of cement plugging operation summary
(Supplement)
Use 880mm×1230mm paper size 16K format. C2 Format and content
Cover format
Summary of Jiang cement plugging operation
Compiler:
Reviewer
Operation unit:
C2.2 Content format
Basic data||tt ||Operation date
Original artificial well corrosion, ㎡
Upper production section, m
Seal layer pressure coefficient
Seal layer air root content
Design cement plug surface, И
Cement grade and dosage, t
Repair liquid density, g/c8
Purpose of cement plugging
Important technical measures
Brief description of operation
5. Conclusion
Additional remarks:
sY/T 5587.14—93
Oil layer casing specifications, mm
Oil filling distance
Plugging layer section
Plugging layer temperature, ℃
Plugging layer production, m\
Actual cement plug surface, II
Cement slurry density, g/cm\
Cement plug pressure test value, MPa
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard is drafted by the North China Petroleum Administration and its operating companies. The drafters of this standard are Chu Guangqi and Deng Dexian. a14--93
Appendix B
Format and content of cement plugging operation record
(supplement)
Format and content of cement plugging operation record
Well number:
Pipeline structure depth:
Wellhead pipeline pressure test time:
Circulation time,
Time for preparing cement slurry,
Paint additive model and dosage,
Time for replacing cement slurry,
Time for replacing displacement fluid:
Export description.
Time to lift the pipe string:
Backwashing time:
Indicator,
Time to lift the pipe string,
Backwashing time,
Shut-in time, :
Plug surface detection time,
Raise the pipe string,
Pressure test time:
Casing specification × depth
Ⅱ; Repair and flushing density
Pressure,
Pump pressure and displacement:
Clean water consumption:
Cement slurry density and quantity,
, Cement slurry volume:
Liquid volume,
Liquid volume:
; Number of roots
: Liquid volume:
: Operation time:
MPa: Result|| tt||m*/mi丑: Export description
blood, cement model and dosage,
m\, direct pressure displacement:
m\: Pump positive displacement,
,: completion depth,
m\, pump pressure displacement:
completion depth,
m"; pump pressure displacement,
and port pressure change
probe times×pressure load:
: number of roots;
liquid volume:
completion depth:
pump pressure,
kN: plug surface depth,
ma/min
mu/min
ms/min
MPa; conclusion,
damp surface size
SY/T 5587.14—93
Appendix C
Format and content of cement plugging operation summary
(Supplement)
Use 880mm×1230mm paper size 16K format. C2 Format and content
Cover format
Summary of Jiang cement plugging operation
Compiler:
Reviewer
Operation unit:
C2.2 Content format
Basic data||tt ||Operation date
Original artificial well corrosion, ㎡
Upper production section, m
Seal layer pressure coefficient
Seal layer air root content
Design cement plug surface, И
Cement grade and dosage, t
Repair liquid density, g/c8
Purpose of cement plugging
Important technical measures
Brief description of operation
5. Conclusion
Additional remarks:
sY/T 5587.14—93
Oil layer casing specifications, mm
Oil filling distance
Plugging layer section
Plugging layer temperature, ℃
Plugging layer production, m\
Actual cement plug surface, II
Cement slurry density, g/cm\
Cement plug pressure test value, MPa
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard is drafted by the North China Petroleum Administration and its operating companies. The drafters of this standard are Chu Guangqi and Deng Dexian. a
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