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Petroleum and Natural Gas Industry Standard of the People's Republic of China SY5472-92
Electronic Gyro Inclinometer Measurement Procedure
1992-09-17 Issued
Ministry of Energy of the People's Republic of China
1993-02-01 Implementation
1 Subject Content and Scope of Application
Petroleum and Natural Gas Industry Standard of the People's Republic of China Electronic Gyro Inclinometer Measurement Procedure
This standard specifies the preparation and inspection, assembly, measurement, recovery and maintenance of electronic gyro inclinometers. SY 5472--92
This standard applies to BOSSⅡ electronic gyro inclinometers. Other types of electronic gyro inclinometers can also be used for reference. 2 Reference to Brown Standard
SY5416 Wired Drilling Inclinometer Operating Procedures 3 Preparation and Inspection
3.1 Before Going to the Well
3.1.1 Instrument List
Instrument List, see Appendix A (Supplement). 3.1.2 Auxiliary Equipment and Tool List
Auxiliary Equipment and Tool List, see Appendix B (Supplement) 3.1.3 Generator Set and Power Supply
Same as 2.2.1 of SY5416.
3.1.4 Cable Car
Same as 2.2.2 of SY5416.
3.1.5 Cable
Same as 2.2.3 of SY5416.
3.1.6 Probe and ground instrument
a. Check the positioning pin and shell thread of BOSSⅡ probe for external damage and deformation. b. Record the BOSSⅡ probe number, G-1 computer number and TI printer number. c. Connect BOSSⅡ ground instrument, place BOSSⅡ probe on 45° calibration rack and connect it to G-1 computer. After checking, turn on the power and preheat BOSS probe for 15-20 minutes. The instrument can work according to keyboard instructions.
e. Place BOSSⅡ probe on 6°, 45° and 90° calibration racks respectively to check drift. The drift rate of gyro shall not be greater than 10/h.
3.1.7 External part
3.1.7.1 Probe connection joint
a. Sealing ring is intact3bzxZ.net
b. All contacts are clean and connected firmly. Using the multimeter R×1000, the insulation resistance of the probe pipe joint should be infinite. 3.1.7.2 Outer tube
Ministry of Energy of the People's Republic of China approved on September 17, 1992, and sold on February 1, 1993
a, no bending deformation and damage
b. No wear on the threads at both ends;
C. Clean the inner wall
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d. Using the multimeter R×1000, the insulation resistance of the outer gyro seat should be infinite. 3.1.7.3 Centralizer and retaining ring
a, the outer diameter of the centralizer should match the inner diameter of the casing to be measured b, good elasticity, no deformation,
C, the retaining ring is complete, and the fixing screws can rotate flexibly. 3.1.7.4 Cable head
a. No cracks on the body,
b. The thread is intact,
c. No broken wires at the root of the cable,
d. Clean contacts
e. The sealing ring is intact,
f. The internal connection is firm
9. Reliable insulation,
h. With protective cover.
3.1.8 Sky and ground pulleys
a. Flexible rotation
b. No deformation or damage on the body and lifting ring, c. The pin and the push pin are intact.
3.2 On-site
3.2.1 Instruments, equipment, tools
After the cable roller arrives, check the instruments, equipment, and tools according to 3.1. 3.2.2 Cable drum car placement
Place the cable drum car 25m away from the front of the lifting frame gate, and the cable drum is parallel to the port. The site is required to be flat and safe, with rollers placed on the rear wheels and connected to the ground wire.
3.2.3 Install the sky and ground pulleys
The installation position of the sky and ground wheels should be within the same plane as the center line of the cable drum car. 3.2.4 Record, check the map or calculate the data
a, the magnetic declination and latitude values of the area, the error is not more than 0.25°b, measure the parallel section, pipe size and depth, the position of the inclination point, the position of the artificial bottom, the parallel inclination angle, azimuth, the height of the core C. The type of liquid in the riser and the parallel temperature.
3.2.5 Select reference object
a. Select a fixed reference object at a distance of 50m from the wellhead, and there should be no visual obstruction between the wellhead and the reference object. 6. There must be a position to support the compass between the wellhead and the reference object, or on its extension line, and there should be no magnetic interference within 15m around the wellhead. c. When measuring at night, the reference object must be visible. d. When working on the offshore drilling platform, select the reference object based on the known bow position. 3.2.6 Measure the reference object
Measure the reference object position and record it.
4 Assembly
4.1 Connect the BOSS1 probe, cable and G-1 counter. 2
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4.2 Start the generator, check the working oil pressure should be 0.14~~0.20MPa, the output voltage should be 120±5V, the frequency should be 60±1Hz.6
4.3 Turn on the machine to preheat the BOSSI probe for 20muin, then check the display of the instrument, the input of keyboard commands and the printing of the printer are normal, and shut down the machine.
4.4 Assemble the fixed frame.
4.5 Connect the BOSS probe with the probe connection connector and install it into the outer tube, apply copper sealing grease [CopperCoteThread Dope] on the threads of the two ends of the connector, insert the lower end of the BOSSI probe into the outer gyro seat and insert the positioning pin into the pin hole, tighten the positioning screw, then connect the threads of the two ends of the connector, and tighten it with a 450mm pipe clamp. 4.6 Install a centralizer on the upper and lower parts of the outer tube, with the fixed end of the centralizer facing upward and the free end facing downward. Place a retaining ring on the inner side of the free end, adjust the outer diameter of the centralizer to be the same as the inner diameter of the casing, and then fix the two ends of the centralizer. 4.7 Connect the cable head to the outer tube and tighten it with a 450mm pipe clamp. 5 Measurement
5.1 Operate the cable roller and slowly lift the downhole instrument, paying attention to prevent collision. 5.2 Put the downhole instrument into the parallel port, seat it on the fixed frame, hang the safety spring, and relax the cable. 5.3 Turn on the power of the G-1 computer and TI printer, and preheat the BOSSI probe for 20 minutes. 5.4 Operate the printer keyboard, answer the questions of the computer, and according to the data provided by the computer, rotate the downhole instrument, and make the absolute value of the rotation accuracy error no more than 5°
5.5 When the printer prints "SURVEYUNDEROPFRATORCONTROL" (measurement start), install the C-shaped clip and telescope on the outer cylinder of the downhole instrument, and make the telescope on the right side of the outer cylinder of the downhole instrument, adjust the near-field mirror to the water state, and align it with the reference object.
5.6 Press the A key to print the GI value of the initial alignment of the mountain gyro. 5.7 Keep the downhole instrument still for 3 min, press the D key to perform the first drift check. The drift rate should not be greater than 5°/h. Otherwise, press the CTRL and D keys at the same time and repeat the drift check. 5.8 Remove the telescope, C-shaped clip and directional mount. 5.9 Zero the depth gauge.
5.10 When the maximum parallel bevel angle is not greater than 10°, perform center calibration. Press the CTRL and D keys at the same time and slowly lower the instrument for 10 to 20m5.10,1
After the instrument is still, press the SPACF key to measure a set of data. 5.10.2
Slowly lift the instrument and rotate it 60° in one direction. Then slowly lower the instrument for 10~20m5.10.3
Repeat the above operation for 6 times. After obtaining 6 sets of data, press the F key to perform the center calibration calculation. 5.10.41
5.11 Press the V key to perform the first point vertical measurement. 5.12 Press the I key to enter the length of the measurement section. 5.13 Full-lift measurement
5.13.1 Lowering the instrument
5.13.1.1 Start the cable drum and slowly lower the instrument. The maximum lowering speed should not exceed 1m/s. Do not brake or release suddenly. 5.13.1.2 When the instrument is lowered close to the depth of the measuring point, slowly reduce the speed. 5.13.1.3 According to the depth of the measurement, perform a drift check every 5 to 10 minutes, and the drift rate should not exceed 6°/1 each time. Otherwise, press CTRL and D at the same time to re-perform the drift check. 5.13.1.4 When the bevel angle reading displayed on the G-1 computer is greater than 70°, stop the measurement. 5.13.1.5 When the BOSSI probe temperature reading displayed on the G-1 computer is close to 125°C, stop the measurement. 5.13.1.6 When the instrument is lowered and approaches the well, decelerate slowly. When it is 20 meters away from the well bottom, stop and measure. 3
5.13.2 Upper measurement
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5.13.2.1 Press the I key and input the negative measurement section length value, which shall not exceed 300m5.13.2.2 After hanging the cable scraper on the well port, slowly lift the instrument at a speed not exceeding 1m/s. 5.13.2.3 Perform a drift check every 10min, and the drift rate shall not exceed 6°/h each time. Otherwise, press the CTRL and D keys at the same time and perform the drift check again.
5.13.2.4 When the instrument is lifted, decelerate 50m away from the well port. When the instrument is close to the well head, lower the cable scraper. 5.13.2.5 After the instrument is lifted out of the well head, flush the outer shell and the centralizer of the instrument, and place it in the directional frame, hang the safety spring, and loosen the cable. 5.13.2.6 Install the C-shaped clip and telescope on the outer tube of the instrument, adjust the telescope to a horizontal state, and aim it at the object to be illuminated. 5.13.2.7 Press the V key to perform the last point vertical measurement. 5.13.2.8 Press the L key to perform the end point measurement. 5.13.3 Data processing
5.13.3.1 The G-1 computer automatically completes the last point source drift check and prints out the closing drift rate, which should not be greater than 2°/h. Otherwise, it is necessary to find out the cause and re-measure.
5.13.3.2 Press the P key to print out the manual measurement data. 5.13.3.3 Press the CTRT. and P keys simultaneously to print out all the measurement data. 5.13.3.4 The power cannot be turned off during the entire measurement and data processing process. 5.14 Measurement of the lower well section with an inclination angle less than 10° 5.14.1 Lower measurement
5.14.1.1 Press the U key to measure the lower well section. 5.14.1.2 Input the cable depth, vertical well depth, azimuth, north-south coordinates, and east-west coordinates. 5.14.1.3 Net 5.13.1.1.
5.14.1.4 When the instrument is lowered to the depth close to the connection point LTIE-INPOINT, slowly decelerate to the position of the point and brake. After the G1, G2 and well inclination data displayed on the G-1 computer are stable, press the SPACE key to perform the first point drift check. 5.14.1.5 Same as 5.13.1.2.
Same as 5.13.1.3.
To 5.13.1.5.
5.14.1.8 Same as 5.13.1.6.
5.14.2 Upward measurement
5.14.2.1 Toward 5.13.2.1.
2 Same as 5.13.2.2.
Same as 5.13.2.3.
5.14.2.45.13.2.4.
5.14.2.5 When the up-and-down instrument approaches the connection point, slowly decelerate and brake. After the G1, G2 and well inclination data displayed on the G-1 computer are stable, press the S key to print the measurement data of the point. 5.14.2.6 Press the L key to perform the end point measurement. 5.14.3 Data processing
Data processing is the same as 5.13.3.
5.15 Measurement of the lower section with an angle greater than or equal to 10° 5.15.1 Lower measurement
5.15.1.1 Press the T key to measure.
5.15.1.2 Input the depth of the measuring plate, vertical well depth, azimuth, north-south coordinates, and east-west coordinates of the connection point. 5.15.1.3 Same as 5.13.1.1.
5.15.1.4 When the instrument is lowered to the depth close to the connection point, slowly decelerate the car to the position of the point. After the G1, 4
SY 5472—92
G2 and the ascending angle data displayed on the G-1 computer are stable, press the SPACE key to perform the first point drift check. 5.15.1.5 Toward 5.13.1.2.
5.15.1.6 Same as 5.13.1.3.
5.15.1.7 Week 5, 13.1.4.
5.15.1.8 Same as 5.13.1.5.
5.15.1.9 Same as 5.13.1.6.
5.15.2 Upper measurement
Worker measurement room 5.14.2.
5.15.3 Data processing
Data processing Same as 5.13.3.
6 Recycling
Turn off the power of G-1 computer and TI printer. 6.2
Operate the cable drum, slowly lift the instrument, remove the directional frame, and slowly pull the instrument to the site to prevent collision. Remove the centralizer and cable head in turn, and take out the RO)SSⅡ probe. 6.3
Rubbing the BOSSI probe and putting it into the shockproof box.
Remove the G-1 computer and TI printer, and put them into the shockproof box. 6.6
Clean the heart-shaped clip and telescope, and put them into the shockproof box. 6.7
Remove the upper and lower pulleys, and collect the cables at the same time. Turn off all kinds of lamps and close-adjusting equipment, and stop the generator. Fill in the use record sheet of the cable roller and the instrument, and deliver the base measurement data to the user and make a copy for archiving. Maintenance and care
The instrument must be dust-proof, moisture-proof, and high-temperature-proof.
The instrument must be shockproof during transportation.
7.1.3The printing paper should be stored below 10°C and not near heat sources. 7.1.4The C-shaped clip and telescope should be kept clean, and the telescope should be softly packaged. 7.2 Maintenance
The maintenance of instruments, equipment and accessories shall be carried out according to Table 1. Table 1. Maintenance list of instruments, equipment and accessories No.
Gi-1 Computer
TI Printer
BOSSH Probe
C-shaped telescope
External sleeve and connector
Clean the panel, back socket and corresponding plug Clean the keyboard, interface and socket
Clean the body, plug and plug
Clean the body and lens
Apply sealing grease to the thread
Maintenance period
Every work
After every work
Every After work
After each work
Before each assembly
Type of lubricant used
Copper sealing grease
Stabilizer retaining ring
Head and ground pulleys
Rope guide
Hydraulic pipeline
Drum bar
Drum transmission box
Drum control console
Depth gauge
Yellow gauge
Pressure cutter
Generator set
Hydraulic system
Cleaning and applying sealing grease
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Continued Table 1
Clean and lubricate bearings and pins
Oil
(1) Clean
(2) Grease
Grease
Check for oil leakage, wear and deformation
Check for excessive wear
(1) Check the oil level in the gearbox
(2) Replace the gear oil
Check various connections, control handles and switchesMaintenance and calibration
(1) Clean the air filter
(2) Replace the engine filter, engine filter and oil filter(1) Replace the hydraulic oil filter
(2) Replace the hydraulic oil
Maintenance period
After each work
After each work
After each work
|After each work
Every 50h of work
Every 50h of work
Every 50h of work
Every 60h of work
Every 50h of work
600h of sea work
100h in a year
Every 100h of work
Every 200h of work
Every 200h of work
Every work Type of lubricant used: Calcium-based grease, Calcium-based grease, 0-10 oil, Calcium-based grease, 15-medium-pressure engine oil, 30-anti-wear fluid oil, BOSSI instrument, i.e. Table A1.
GI computer
BOSS I probe
TI printer (with paper)
Centralizer and retaining ring
C-shaped clip
Telescope
Ground multi-disc and stake
SY 5472-—92
Appendix A
Instrument equipment list
(supplement)
Probe connection connector
Cable head
Computer power cable
Printer interface cable
Shenyu test cable
Orientation frame
5kW AC voltage stabilizer
kw UPs
Cable drum vehicle and equipment, see Table BI
6kw generator set
8mm single-core cable
Roller device
Roller operating table
Net spreader and sensor components
Weight indicator
Depth gauge
Voltage, frequency meter
Cable head T. Tools, accessories, no Table B2 required.
Wooden handle round head 340g
Wire pliers.6~2.2mm
Square pliers 200mm
Modular pin 200mm
Nose pliers 125nm
Spring pliers 150mm
Round punch 5(mm
Hollow cooler 120n
Thin three-point pin 300mm
Screwdriver 75mm
Screw 125m
Six-way wrench
SY 5472—92
Appendix B
Auxiliary equipment, tool equipment list
(supplementary items)
High and low voltage lamps
Air conditioning equipment
Interphone
Head and ground pulleys
Cable scraper
On-board tools
Biansa 170
Insulation rubber protection
Quality sealing grease
Stain removal agent
High pressure sealing grease
Cable head sealing ring
Rubber sleeve
Waypoint spare parts
Cable clamp
Locking screw
Outer cylinder seal
Auxiliary tools, see Table B3.
Name and specification
Pipe clamp 450mm
Wire break pin 3
Vise 75m
Switch lever 200mm
No product: meter
Megohmmeter 500V
Additional instructions:
SY 5472--92
Name and current price
Yellow sprinkler
Water orange (Emperor's mouth)
British double-head plate (8 pieces)
British tube hand (9 pieces)
Flashlight
Instrument bracket
This standard is proposed and managed by the Petroleum Drilling Engineering Professional Standardization Committee. This standard is drafted by the Shengli Shishan Administration Drilling Non-Technical Company. The main drafters of this standard are Wang Zhenguang, Zhou Hualin and Li Juncheng. Several parts
This standard continues to be effective after the review in 199, and the review result has been approved by the State Administration of Petroleum and Chemical Industry.
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