SY/T 5587.12-1993 Methods for fishing oil pumps in conventional well repair operations for oil and water wells

SY/T 5587.12-1993 Conventional well repair work for oil and water wells. Methods for oil well pump salvage operations. SY/T5587.12-1993 standard download decompression password: www.bzxz.net

Petroleum and Natural Gas Industry Standard of the People's Republic of China SY/T5587.12-93
Oil and Water Routine Repair and Operation
Oil Pump Salvage Operation Method
1993-03-27 Issued
Ministry of Energy of the People's Republic of China
1993-09-01 Implementation
Subject Content and Scope of Application
Petroleum and Natural Gas Industry Standard of the People's Republic of China Oil and Water Routine Repair and Operation
Oil Pump Salvage Operation Method
sY/T 5587.12--93
This standard specifies the construction design, operation preparation, operation procedures, quality control and safety requirements, quality standards and inspection of oil pump salvage.
This standard is applicable to the salvage of old oil pipe and rod pumps. 2 Construction Design
The construction design shall comply with the provisions of Appendix A (Supplement). 3 Operation preparation
3.1 Tool and pipe preparation
3.1.1 Tool preparation see Table 1.
Vibrator
Cutting bullet
Snap-up bailer
Sleeve pipe
Inverted spear
Inverted bailer
SIIJ-Y10B
XJ-K108
QC-115B
QC-145B
DKLM-7$
DKLT-73
3.1.2 Who should prepare the pipe string
Used for vibration and unblocking method, if the pipe has not been pulled out, it can be attached to the ground for vibration. If the oil pipe has been broken, it can be connected to the fence for salvage
The parts above the pump are unblocked, and the straight line above the cutting pump body 73mm diameter mooring pipe or 89mm diameter oil cylinder is used for pump liner salvage method, 139.7mm diameter animal pipe is used to salvage liner or deal with casing milling debris for pump liner salvage method, 177.8m diameter casing is used to salvage pump casing or remove casing milling debris with Dinglu liner salvage method, after magnetic salvage is ineffective, pump casing is salvaged, tool outer diameter is determined according to casing size, casing milling cutting method is used for lower casing milling pump body, in the recording liner salvage method, it is used to move or break the liner, tool outer diameter is determined according to casing size
salvage 73mm diameter oil pipe, Sichuan Ma TKQ-105 to buckle matching to salvage 3m oil pipe body, can be used with TKQ-105 buckle set to prepare pipe string according to the construction design.
3,2 Well preparation
3.2,1 During the wellbore, the wellbore pressure caused by the wellbore column should be 1.05-1.10 times the target formation pressure. 3.2.2 When flushing to the depth of the wellbore, the fish shall be protected from damage. The wellbore shall be cleaned thoroughly. 3.2.3 The standard wellbore gauge should be smooth to the fish depth. For casing damage above the fish top depth, the casing should be repaired first until it is unblocked before salvaging. 3.2.4 Print to confirm the fish top depth and fish top shape. 4 Salvage Operation Procedures
4.1 Active De-jamming Method
Approved by the Ministry of Energy of the People's Republic of China on March 27, 1993 and implemented on September 1, 1993
SY/T 5587.12---93
4.1.1 Rotate the tubing clockwise and gradually lift it up. The maximum weight should not exceed the weight of the inner tubing string. 4.1.2 Unjam the tubing string by moving it up and down.
4.2 Vibration De-jamming Method
4.2.1 When the tubing is not disconnected (disconnected), use the ground vibrator to increase the energy of the upper and lower activities to unjam. 4.2.2 When the tubing has been disconnected (disconnected) during the active de-jamming process, connect the vibrator to the upper part of the salvage tool to achieve the effect of vibration de-jamming. 4.3 Milling Cutting Method
4.3.1 The diameter of the tubing above the pump should meet the technical requirements of explosive cutting. 4.3.2 Lower the cutting spring to the top of the pump, cut and pull out all the oil pipes above the pump. 4.3.3 Use a long pump body milling pipe, mill to 3m below the bottom of the record. 4.3.4 Use the movable pipe string method to unblock.
4.3.5 Tail salvage can be completed with an inverted salvage spear (inverted folding and moving). 4.4 Buckle salvage method
4.4.1 The buckle should be tightened when the conditions permit. Refer to Article 4.1.1 for the method. 4.4.2 Determine or calculate the depth of the Shantou pipe jam. 4.4.3 Determine the neutral point inverted according to the depth of the jam. 4.4.4 Comprehensive salvage can be carried out according to Article 4.3 during the inverted salvage process. 4.5 Pump village set salvage method
4.5.1 Use a strong magnetic dart first. Lower the magnetic dart to 2m above the fish, start the pump to flush the top of the fish, and slowly lower it to the fish neck in different directions, stop and pull the drill.
4.5.2 The inclined window spiral bailing tube is lowered to the top of the fish at a speed of 5r/min, and the pump is turned on for circulation. The maximum drilling pressure shall not be greater than 5kN. The fish trap depth should be less than the length of the bailing tube.
4.5.3 After the bushing is pulled out or evenly broken by the casing milling pipe, it shall be salvaged according to 4.5.1 and 4.5.2. 5 Operation quality control and safety requirements
5.1 Operation quality control
The outer diameter of the casing milling pipe used should be 6mm less than the inner diameter of the oil layer casing, and its inner diameter should not be less than 5mm less than the outermost diameter of the casing. 5.1.1
5.1.2 The casing milling parameters are drilling pressure 10~20kN, speed 40~60r/min, and displacement 0.4~0.6m*/min. 5.1,3 A sketch of the salvage tool should be drawn, the salvage data should be accurate, and the measurement error should be less than 0.2%. 5.1.4 1
The neutral point of the undercut should avoid the lower joint of the pump body. 5.1.5 It is strictly forbidden to change the weight during the undercut process. 5.1.6 The printing frequency should be reduced during the salvage of the pump bushing, and the salvage drilling pressure should not be greater than 5kN. 5.2 Safety requirements
5.2.1 The salvage tool and drilling tool must be of qualified quality before they can be lowered into the well. 5.2.2 The operation should be balanced when salvaging and drilling, and it is forbidden to brake or release suddenly. 5.2.3 The maximum lifting force for unblocking should be lower than the minimum tensile strength of the tubing thread (sucker rod). 5.2.4 The rotation torque should be less than the minimum torsional strength of the tubing thread. 5.2.5 The cycle shall not be interrupted during the milling process, and the drilling tool shall be moved once every 0.5h of milling. 6 Quality indicators and inspection
6. 1 Quality indicators
6.1.1 Meet the design requirements and purposes of the oil well pump salvage operation. 6.1.2 The tools and construction measures used in the salvage process should not damage the casing. 6.1.3 High-quality low-damage repair fluid should be used in the salvage process to protect the oil layer and reduce pollution. 2
SY/T 5587.12—93
The entry and filling of construction data should comply with the provisions of Appendix B (Supplement). 6.1.5 The construction summary should comply with the provisions of Appendix C (Supplement). 6.2 Quality inspection
The well is smoothly swam to the designed depth or artificial well bottom, 6.2.1
The error of the artificial bottom depth is less than 1%.
A1 design book format
SY/T 5587.12—93
Oil pump salvage operation design
(supplement)
Design book size: 260mm×187mmA2 Design book content format
, basic data
Complete drilling depth
Casing depth
Artificial bottoming
Oil filling distance
Cement return height
Current sand surface
Pump hanging depth
Concrete quality
Production room location
Gas-oil ratio
2. Previous repairs
3. Construction purpose
Date of commissioning
Outer diameter of casing
Thickness of casing
Specifications of oil drag bar
Specifications of oil pump dam
Current formation pressure
信.月.E
4. Equipment and pipe string preparation
5. Tools and materials preparation
6. Construction steps
sy/t 5587.12-93
Statistical table constant surface
SY/T 5587.12--93
Appendix B
Statistical table of oil well pump salvage operation data
(Supplement)
Statistical format size: 260mm×374mm. B2 Format of data statistical table
See Table B1 for the statistical table format.
Table B1 Statistics of Pump Salvage Data
Team type,
Combined structure
Tool usage
Oil pump grid
Present depth of fish,
Active releasebZxz.net
Vibration release
Cover cutting
Backsweep salvage
Sucker rod salvage
Pump bushing salvage
Number of tightening circles
Vibration type
Casing milling parameters
Example load, kN
Oil layer casing
Oil pipe specifications
Pump jam source
Active load,N
Thickness m
Diameter mm,
Artificial filtration, m
Referring to oil hitting specifications
Density of repair liquid, g/cm2
Cutting and deletion parameters
Tabulation:
Construction summary format
SY/T 5587.12--93
Appendix C
Summary of oil pump salvage construction
(supplement)
Construction summary format size: 260mm×187mm. C2
Construction summary content format
1. Basic data of oil field
Completed well depth
Drilling depth
Artificial non-
Height of core filling
Cement return height
Quality of cement
2. Construction purpose
3. Brief introduction of repair and merging
Repair and merging procedures
Production date
Casing outer diameter
Inspect pipe wall Thickness
Gas-oil ratio
Liquid density, g/cm
Main data
IV. Conclusion
Construction quality assessment:
Construction experience summary:
Suggestions for improvement in the next step,
Additional instructions:
SY/T5587.12--93
This standard is proposed and managed by the Oil and Gas Production Professional Standardization Committee. This standard was drafted by the Downhole Operations Department of Xinjiang Petroleum Administration Bureau. The responsible drafters of this standard are Lan Runsheng and Lin. 8
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