SY 5636-1993 Hydraulic expansion casing external packer SY5636-1993 Standard download decompression password: www.bzxz.net

The professional standards of the People's Republic of China have been transformed into oil and gas industry standards after rectification. The standard number is: "5636-93, hereby explained. (This standard was confirmed to be valid in 1998) ZBE920G4--87 Inflatable type casing exterrnal packers Issued on 1987-05-07 National Machinery Industry Commission Implementation on 1988-08-01 Professional Standards of the People's Republic of China Inflatable type casing exterrnal packers 1 Fritabte type casrg exterrtiat patkirs-UDC ZBE920G4--87 Inflatable type casing exterrnal packers Issued on 1987-05-07 National Machinery Industry Commission Implementation on 1988-08-01 004--87
This standard applies to hydraulic expansion casing external packers (hereinafter referred to as packers) used to isolate oil, gas, water layers and tidal loss layers in oil and gas exploration and development drilling projects, improve cementing conditions, and improve solid-solid discs. 1 Basic parameters and dimensions
1.1 Basic parameters and dimensions shall comply with the provisions of Table 1 and Figure 1. 1.2 The working diameter of the packer rubber cylinder and the working pressure difference it can withstand in the sight eye (or casing) shall comply with the provisions of Figure 2. Table 1
Nominal diameter d
Maximum outer diameter D
Minimum inner diameter d.
Clean effective length L
Length!
Connecting thread (casing smoke thread]
Upper end (internal thread)
No. 1 LCSG
Lower end (external thread)
LCSG.4CSG
5 Lcsg, 5 csG | LCsG
No. 9LCSG
103CSG
LCSG,85 CSG
9 5LCSG.9CSG
Note: ①LCSG and CSG are the codes for the long round thread and short round thread of the casing respectively. ②The number before the connecting thread code. It indicates the fractional value of the quotient of the chord number of the large end diameter of the thread and 25.1. Approved by the State Machinery Industry Commission
Applicable and implemented on August 1, 1988
ZB E92 004-B7
Working pressure difference MP
168m(6
114mml4
The model number is indicated as follows,
ZB:E92-004--87
Nominal diameter and medium
Hydraulic expansion casing outer sealing net
The same nominal diameter, the largest outer diameter of a product with a smaller size, is indicated by adding A at the end of the model. Marking example:
The hydraulic expansion casing external packer with a nominal diameter of 178mm and a maximum outer diameter of 218mm is marked as TWF178. The hydraulic expansion casing external packer with a nominal diameter of 178mm and a maximum outer diameter of 204mm is marked as TWF.178A. 2 Technical requirements
2.1 The packer shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 2.2 The maximum operating temperature of the packer shall not be less than 120℃. 2.3 The physical properties of the rubber materials of the inner and outer rubber shells shall comply with the provisions of Table 2. Table 2
Tear strength
Tear elongation
Tear permanent deformationbzxZ.net
Juner A type
Aging coefficient (90×24h) (tensile product) Oil resistance weight change rate (25# transformer oil 70 t× 24 h)
Brittle temperature
Metal bonding strength
2.4 The appearance of the inner rubber tube shall comply with the provisions of Table 3. 2.5 The appearance of the outer rubber tube shall comply with the provisions of Table 4. C
2.6 The inner rubber tube shall be subjected to a sealing test and inflated to expand its outer diameter to the maximum working diameter. No drowning is allowed. Note: The maximum working diameter of the inner rubber tube is equal to the maximum well diameter applicable to the packer minus twice the span of the outer tube. 2.7 There shall be no scratches or bruises on the inner and outer surfaces and fillets of the outer rubber tube support ring. 2.8 The laminated material of the outer rubber tube shall not have defects such as cracks, and curling is not allowed on both sides of the width. 2.9 The steel grade of the center tube, short section and coupling material shall not be lower than DZ specified in YB690-70 "Petroleum Casing". 5 Standard
Default name
Bright scar impurities
Defect name
Bright scar impurities.
ZB E92 004-87
In the inspection of the product with a length of c and a width of 50 r. Bubbles or bubble groups with a diameter not exceeding 3 mm, no more than 3
in a test frame with a length of 100 cm and a width of 50 cm, bright spots with an area not exceeding 20 m2, no more than 3
in a test frame with a length of 200 cm and a width of 1.50 cm2, convexities with a depth not exceeding 1 mm and an area not exceeding 20 mm*, and no more than 3
in a test frame with a length of 100 cm and a width of 50 cm. There are no more than 10 bubbles or bubble groups with a diameter not exceeding 5mm
In the inspection frame with a length of 100cm and a width of 50cm, there are no more than 10 bright impurities with an area not exceeding 30mm2
In the inspection frame with a length of 100cm and a width of 50cm, there are no more than 10 convex impurities with a depth not exceeding 1.5㎡m and an area not exceeding 20m". The dimensions and tolerances of the casing threads shall comply with those of YB690. Regulations. The butterfly pattern of the casing must withstand a pressure of 27.5MPa without leakage. The broken rod and the inner sleeve must withstand a pressure of 27.5MPa after assembly without leakage. The welds at both ends of the rubber tube should have a uniform scaly corrugated surface and must withstand a pressure of 15MPa without leakage. 2.13
The welds of the valve ring cover plate should have a uniform scaly corrugated surface and must withstand a pressure of 27.5MPa without leakage. 2.14
The opening pressure of the rubber tube should not be greater than 0.5 MPa, and its bursting pressure should not be less than twice its working pressure. The seals of locking valves, pressure-limiting and one-way valves must withstand a pressure of 27.5MPa and be leak-free. The shear pressure of the pressure-limiting valve pin is 9MPa.
The action of locking valves and pressure-limiting valves should be correct and reliable, and the shear pressure of the valve pins must meet the specified value, and the deviation should not be greater than 0.5MPa. When assembling the valve core of the locking valve and pressure-limiting valve, it must be pulled back and forth in its valve hole several times to check that the ○-shaped seal is not damaged. The pin holes of the locking seat and the pressure cap of the locking valve and pressure-limiting valve should be able to smoothly insert the pins at each corresponding position. 2.20
Thread agent should be applied to the casing thread during assembly. 2.21| |tt||2.22 When assembling the inner and outer rubber tubes, the outer rubber tube must be evenly coated with anti-rust tire. 2.23 After the packer is assembled, its rubber window should be filled with HJ-20 mechanical lla3 Test method
3.1 The physical property test of rubber materials shall be carried out in accordance with the following standards: a. The general provisions of the physical property test shall be in accordance with the provisions of GB527-83 "General requirements for physical test methods of vulcanized rubber": 4
ZBE92004-87
The breaking strength, breaking elongation and breaking permanent deformation shall be in accordance with the provisions of GB528-82 "Determination of tensile properties of vulcanized rubber" b.
.c. The hardness test method shall be in accordance with GB 531-83 "Rubber Shore A Hardness Test Method"; d. The brittle temperature shall be in accordance with GB1682-82 "Vulcanized Rubber Brittle Temperature Test Method"; . . The oil resistance weight change rate shall be in accordance with GB1690-82 "Vulcanized Rubber Liquid Resistance Test Method"; f: The aging coefficient shall be in accordance with GB3512-83 "Rubber Hot Air Aging Test Method"; 9. The rubber-metal bonding strength shall be in accordance with HG4-852-81 "Measurement of the Pull-off Strength of Vulcanized Rubber-Metal Bonding". 3.2 Factory Test
3.2.1: The action and sealing test of the locking valve, the limiting valve and the check valve shall be carried out in an anti-expansion steel pipe with an inner diameter 2mm larger than the outer diameter of the rubber cylinder. By filling the center tube without the breakaway bracket with water pressure, the locking valve pin is sheared off and the pressure limiting valve is closed. Check that the shear pressure of the pins of the locking valve and the pressure limiting valve should meet the requirements of Articles 2.17 and 2.18, and that there should be no leakage at the sealing parts of the rubber cylinder. Continue to pressurize to 27.5MPa, and check that there is no paint stagnation on the weld of the valve ring cover and the sealing seats of the locking valve, check valve and pressure limiting valve. Then, unload the center pipe to zero pressure, and pressurize again to 27.5MPa.5MPa, check that the locking valve should not open, and check the locking valve seal from the one-way wetting hole, there should be no leakage. After the test, the pin shearing pressure of the locking valve and the pressure limiting valve shall be included in the product certificate. 3.2.2 Rubber Cylinder Oil Pressure Seal Test
HJ-20 mechanical oil is used in the rubber cylinder for a 15MPa seal test. After stabilizing the pressure for 10 minutes, check that there should be no leakage in the welds, casing threads and other sealing parts.
3.2.3 Seal test of casing threads, breaking rods and inner sleeves Block the casing threads at both ends and conduct a 27.5MPa water pressure test. There should be no leakage at the Demp threads, breaking rods and inner sleeves. To check the sealing of the breaking rods and inner sleeves, the locking valve can be removed for further testing. 3.3 Type test
3.3.1 In addition to the factory test method, the type test must also be conducted on the opening pressure and bursting pressure of the rubber cylinder. 3.3.2 The opening pressure and bursting pressure tests of the rubber sleeve shall be carried out in steel according to the maximum working diameter of the rubber sleeve (i.e. the maximum applicable diameter of the product). During the test, the rupture rod and the valve cores of the locking valve, pressure limiting valve and one-way valve shall be removed, and the valve holes shall be blocked to fill the center tube with water to 0.5MPa. The support rings at both ends of the rubber sleeve shall be close to the pipe wall. Continue to pressurize to 9MPa. After stabilizing the pressure for 10 minutes, check that there is no leakage in the rubber sleeve and its sealing parts, and then slowly pressurize until the rubber sleeve bursts. The bursting pressure should not be less than 14MPa. 4 Inspection rules
4.1 The product must be inspected and qualified by the technical inspection department of the manufacturer, and can only be shipped with a certificate of qualification. 4.2 The casing thread shall be inspected in accordance with the relevant provisions of YB690. 4.3 The trial-produced packer must undergo type testing. 4.4 Products produced in batches shall be sampled at 2% of the quantity of each batch for type test (the minimum sample is one unit); if there is any failure, double the sample test can be conducted. If there is still failure, the batch of products shall be deemed as unqualified. 5 Marking, packaging, transportation and storage
Day 1: The packer shall be printed with lacquer on the front of the rubber sleeve as follows: a, manufacturer's name (trademark);
b. Product name and model:
Center pipe steel grade and wall thickness,
Shear pressure of lock pin:
Breaking pressure of limit pin
Manufacture number:
B:E92.00487
, Guangnianzhou.
2. Make "Do not make mistakes, do not get stuck" area marks on the lubrication ring and the seal body. 3. The casing threads at both ends of the packer should be protected with thread protectors, and the products should be packed with anti-corrosion materials and packed in this box. The following contents should be marked on the packaging surface of this box:
a. Name and address of the shipping unit;
b. Name and address of the manufacturer;
c. Product name and model!
d. Quantity;
e. Year and month of manufacture;
f. Gross weight, net weight;
9. Packing Packing dimensions (length × width × height). 5.4 Lifting and handling should be kept stable and no bumps are allowed. 5.5 The packer should be stored in a warehouse with an ambient temperature of -15~35C and a relative humidity below 80%, and there is no acid, alkaline or other corrosive gas in the air. The storage location should be 1m away from the heat source. Under the above conditions, the product shelf life is one year from the date of manufacture. Additional remarks:
This standard was proposed by Shanghai Petrochemical Machinery Technology Research Institute. This standard was drafted by Harbin Petroleum Machinery Parts Factory.
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