CN112253026B - Small-pipe-diameter inner micro-pipe shocking, boosting drawing, sleeving, grinding and milling integrated process - Google Patents
Small-pipe-diameter inner micro-pipe shocking, boosting drawing, sleeving, grinding and milling integrated process Download PDFInfo
- Publication number
- CN112253026B CN112253026B CN202011119517.4A CN202011119517A CN112253026B CN 112253026 B CN112253026 B CN 112253026B CN 202011119517 A CN202011119517 A CN 202011119517A CN 112253026 B CN112253026 B CN 112253026B
- Authority
- CN
- China
- Prior art keywords
- tool
- well
- capillary
- connector
- tool string
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003801 milling Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 16
- 238000000227 grinding Methods 0.000 title description 6
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims abstract description 5
- 241000251468 Actinopterygii Species 0.000 claims description 33
- 238000007639 printing Methods 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 16
- 241001589086 Bellapiscis medius Species 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 210000000664 rectum Anatomy 0.000 claims description 4
- 244000261422 Lysimachia clethroides Species 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000005336 cracking Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003209 petroleum derivative Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/005—Fishing for or freeing objects in boreholes or wells using vibrating or oscillating means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an integrated process of shocking, reinforcing drawing and sleeve milling of a small-caliber inner micro-pipe, and mainly relates to the technical field of petroleum and natural gas industry. The integrated process comprises a radial well capillary tube, an underground hydraulic booster, fishing equipment and sleeve milling equipment, wherein the radial well capillary tube comprises a roller, an injection head, an operation chamber, a power set and a well control device, and the underground hydraulic booster comprises a hydraulic anchoring device, a hydraulic boosting cylinder and a connecting buckle. The invention has the beneficial effects that: the underground booster can be used for oil pipe passing operation, the existing production equipment in an old well does not need to be taken out, the equipment has good maneuverability, is easy to install and disassemble, saves time, improves efficiency and safety, can control the lifting force of the underground booster through ground pressure, can be conveniently controlled in an operating room, greatly improves the lifting force required by salvaging, has strong applicability, and can be matched with various sets of underground tools.
Description
Technical Field
The invention mainly relates to the technical field of petroleum and natural gas industry, in particular to an integrated process of shocking, boosting drawing and sleeving, grinding and milling of a small-caliber inner micro-pipe.
Background
In oil field development, heavy-load unfreezing is one of the common procedures in well repair operation. Due to the limitation of ground environment, well repairing equipment and the tensile load of an operation pipe column, underground falling objects are processed, overload occurs in the unfreezing operation, the success rate of the unfreezing operation is always low, even accidents tend to be complex, and wells which are not successful and need large-load unfreezing need to be subjected to overhaul. However, the approval procedure of overhaul operation is complex, the construction period is long, the cost is high, the requirement on the site is strict, and the requirement on the production benefit cannot be met.
Disclosure of Invention
The invention provides an integrated process of shocking, boosting drawing and sleeving, grinding and milling of a small-caliber inner micro-pipe, aiming at solving the defects of the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a little pipe diameter inner microtube jarring, reinforcement are drawn, cover mill integrated device, includes radial well capillary, hydraulic pressure booster in the pit, salvage equipment and cover mill equipment, radial well capillary includes cylinder, injection head, control chamber, power pack and well control device, hydraulic pressure booster in the pit includes hydraulic pressure anchoring device, hydraulic pressure boosting cylinder and connector link, salvage equipment includes special fishing tool, pin formula safety joint and connector, cover mill equipment includes cover, grinding tool, centralizer, motor head assembly, weight bar, compensator, hydraulic pressure anchor and twister.
Further, the construction process comprises the following steps:
the downhole operation process of the radial well capillary comprises the steps of hoisting a blowout preventer and an injection head in sequence, pulling the capillary out of a winch on a well head (blowout prevention pipe), guiding the capillary into the injection head through a gooseneck, tensioning the capillary by an injection head chain, and then putting the capillary into an operation pipe column through the blowout preventer, wherein a joint at the shaft end of the winch can be connected with matched equipment, liquid or gas is pumped into a well, and the capillary can be remotely controlled to be lifted and lowered and the actions of related parts in an operation chamber;
drifting (exploring the fish top), well-combined downhole tool string, tool string combination: the drift diameter gauge, the weighting rod, the connector and the radial well capillary tube are connected with a screw fastener to be fastened to the optimal torque, anti-falling work is done in the process of lowering, a drift diameter tool is lowered to the position of a fish top, the depth of the fish top is verified, and if the drift diameter gauge, the weighting rod, the connector and the radial well capillary tube are displayed in a blocking mode, the pump is started to perform positive circulation flushing;
sand washing (cleaning a fish top), well combining underground tool strings, and combining the tool strings: sleeving a milling barrel, a connector and a radial well capillary tube, downwards washing a tool to a position 30m above a resistance position, starting a pump to circulate and wash the tool while downwards, washing the tool to the depth of a fish top, circularly washing the well for a circle, and lifting out a sand washing tool after the fish top is washed clean;
printing, connecting printing tool string combination: the method comprises the following steps that a lead die, a weighting rod, a connector and a radial well capillary are lowered, a tool is lowered to a fish top position for pressurized printing, a printing tool string is drawn out, the lead printing condition is analyzed, and the specification of a fishing tool is determined;
salvage the steel wire, if have the well wire that falls on the choke ware, then salvage the steel wire operation, the instrument combination: the fishing tool string of the choke is lowered if no object falls on the choke and the fish top is clean;
salvage the choke holder (the reinforcement is drawn), make up the well tool string, the tool string combination: the special fishing tool, the pin type safety joint, the underground hydraulic booster, the connector and the radial well capillary tube are used for increasing the lifting force by the hydraulic booster, the stroke of the hydraulic booster is 150mm at each time, the fishing tool is fished out until the fishing tool is unfreezed, and if the condition that the fishing tool cannot be unfreezed is existed, the special fishing tool can be actively released into the well through the pin type safety joint.
Salvage the choke ware (the card is separated in the jarring), make up the well tool string, the tool string combination: the special fishing tool, the pin type safety joint, the jar, the accelerator, the weighting rod, the connector and the radial well capillary tube are used for jar-shocking and unfreezing, the throttleer and the fish are shaken loose and then fished out (matched with liquid circulation when necessary), and if the condition that the fish is fished but the fish cannot be unfreezed exists, the special fishing tool can be actively released into the well through the pin type safety joint.
The choke holder sleeve mills, well the tool string in the pit of combination, the tool string combination: the hydraulic anchor and the twister are used for fixing a motor stator, the hydraulic anchor is anchored on an oil pipe through hydraulic pressure, the twister plays a role along with the rotation of the motor, the motor stator is further fixed, the motor stator is placed above the position of a fish top, a pump is started and then circulated, the motor is driven to operate through hydraulic pressure, so that the sleeve milling tool is driven to sleeve, mill and advance a ruler, and the connector can effectively prevent the radial well capillary from being twisted off until the position of the clamping point passes through;
latus rectum (scraping the pipe), the well tool cluster of combination, the tool cluster combination: and (3) putting the pipe scraper, the connector and the radial well capillary into the drifting scraping tool string to drift the diameter of the underground pipe string, and taking out the tool string after the drift diameter of the oil pipe is unobstructed to finish well handing over.
Compared with the prior art, the invention has the beneficial effects that:
1. because the capillary pipe diameter is little, can carry out the oil pipe operation, need not to take out current production facility in the old well.
2. The equipment has good maneuverability, easy installation and disassembly, time saving and high safety.
3. The lifting force of the downhole force increasing device can be controlled through the surface pressure, and the downhole force increasing device can be conveniently controlled in an operation chamber.
4. The underground booster device greatly improves the lifting force required by fishing.
5. The applicability is strong, and the tool can be matched with various sets of downhole tools.
Drawings
FIG. 1 is a schematic structural view of a coiled tubing adapter;
FIG. 2 is a schematic diagram of a hydraulic anchor structure;
FIG. 3 is a hydraulic force amplifying body;
FIG. 4 is a fishing tool joint;
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
As shown in fig. 1-4, the device for integrating the shocking, the boosting drawing and the sleeve milling of the small-caliber inner micro-pipe comprises a radial well capillary pipe, a downhole hydraulic booster, a fishing device and a sleeve milling device, wherein the radial well capillary pipe comprises a roller, an injection head, an operation chamber, a power set and a well control device, the downhole hydraulic booster comprises a hydraulic anchoring device, a hydraulic boosting cylinder and a connecting buckle, the fishing device comprises a special fishing tool, a pin type safety joint and a connector, and the sleeve milling device comprises a sleeve, a grinding tool, a centralizer, a motor head assembly, a weighting rod, a compensator, a hydraulic anchoring device and a twister.
Specifically, the construction process comprises the following steps:
the radial well capillary downhole operation process comprises the steps of sequentially hoisting a blowout preventer and an injection head, pulling the capillary out of a winch on a well mouth (blowout prevention pipe), guiding the capillary into the injection head through a gooseneck, tensioning the capillary by an injection head chain, and then putting the capillary into an operation pipe column through the blowout preventer, wherein a joint at the shaft end of the winch can be connected with matched equipment, liquid or gas is pumped into a well, and the capillary can be remotely controlled to be lifted and lowered in an operation chamber and the actions of related parts;
drifting (exploring the fish top), well-combined downhole tool string, tool string combination: the drift diameter gauge, the weighting rod, the connector and the radial well capillary tube are connected with a screw fastener to be fastened to the optimal torque, anti-falling work is done in the process of lowering, a drift diameter tool is lowered to the position of a fish top, the depth of the fish top is verified, and if the drift diameter gauge, the weighting rod, the connector and the radial well capillary tube are displayed in a blocking mode, the pump is started to perform positive circulation flushing;
sand washing (cleaning a fish top), well combining underground tool strings, and combining the tool strings: sleeving a milling barrel, a connector and a radial well capillary tube, downwards washing a tool to a position 30m above a resistance position, starting a pump to circulate and wash the tool while downwards, washing the tool to the depth of a fish top, circularly washing the well for a circle, and lifting out a sand washing tool after the fish top is washed clean;
printing, connecting printing tool string combination: the method comprises the following steps that a lead die, a weighting rod, a connector and a radial well capillary are lowered, a tool is lowered to a fish top position for pressurized printing, a printing tool string is drawn out, the lead printing condition is analyzed, and the specification of a fishing tool is determined;
salvage the steel wire, if have the well wire that falls on the choke ware, then salvage the steel wire operation, the instrument combination: the fishing tool string of the choke is lowered if no object falls on the choke and the fish top is clean;
salvage the choke holder (the reinforcement is drawn), make up the well tool string, the tool string combination: the special fishing tool, the pin type safety joint, the underground hydraulic booster, the connector and the radial well capillary tube are used for increasing the lifting force by the hydraulic booster, the stroke of the hydraulic booster is 150mm at each time, the fishing tool is fished out until the fishing tool is unfreezed, and if the condition that the fishing tool cannot be unfreezed is existed, the special fishing tool can be actively released into the well through the pin type safety joint.
Salvage the choke ware (the card is separated in the jarring), make up the well tool string, the tool string combination: the special fishing tool, the pin type safety joint, the jar, the accelerator, the weighting rod, the connector and the radial well capillary tube are used for jar-shocking and unfreezing the throttler and the fallen fish after being shaken loose (matched with liquid circulation when necessary), and if the condition that the fallen fish cannot be unfreezed after being salvaged exists, the special fishing tool can be initiatively released in the well through the pin type safety joint.
The choke holder sleeve mills, well the tool string in the pit of combination, the tool string combination: the hydraulic anchor and the twister are used for fixing a motor stator, the hydraulic anchor is anchored on an oil pipe through hydraulic pressure, the twister plays a role along with the rotation of the motor, the motor stator is further fixed, the motor stator is placed above the position of a fish top, a pump is started and then circulated, the motor is driven to operate through hydraulic pressure, so that the sleeve milling tool is driven to sleeve, mill and advance a ruler, and the connector can effectively prevent the radial well capillary from being twisted off until the position of the clamping point passes through;
latus rectum (scraping the pipe), the well tool cluster of combination, the tool cluster combination: and (3) putting the pipe scraper, the connector and the radial well capillary into the drifting scraping tool string to drift the diameter of the underground pipe string, and taking out the tool string after the drift diameter of the oil pipe is unobstructed to finish well handing over.
The underground booster can be used for oil pipe passing operation, the existing production equipment in an old well does not need to be taken out, the equipment has good maneuverability, is easy to install and disassemble, saves time, improves efficiency and safety, can control the lifting force of the underground booster through ground pressure, can be conveniently controlled in an operating room, greatly improves the lifting force required by salvaging, has strong applicability, and can be matched with various sets of underground tools.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a little pipe diameter inner microtube jarring, reinforcement are drawn, cover mill integrated device, includes radial well capillary, hydraulic pressure booster in the pit, salvages equipment and cover mill equipment, its characterized in that: radial well capillary includes cylinder, injection head, control chamber, power unit and well control device, hydraulic pressure booster in the pit includes hydraulic pressure anchoring device, hydraulic pressure reinforcement cylinder and connector link, fishing equipment includes fishing tool, pin formula safety joint and connector, cover milling equipment is including cover milling tool, centralizer, motor head assembly, weight bar, compensator, hydraulic pressure anchor and twister, including following construction technology:
the downhole operation process of the radial well capillary comprises the steps of hoisting a blowout preventer and an injection head in sequence, pulling the capillary out of a winch on a well mouth, guiding the capillary into the injection head through a gooseneck, tensioning the capillary by an injection head chain, and then putting the capillary into an operation pipe column through the blowout preventer, wherein a joint at the shaft end of the winch is connected with a matched device, pumping liquid or gas into a well, and remotely controlling the lifting of the capillary and the actions of related parts in an operation chamber;
drifting, the well tool string in the combination, the drifting tool string combination includes: the drift diameter gauge, the weighting rod, the connector and the radial well capillary tube are connected with a screw thread to be buckled to the optimal torque, anti-falling work is well done in the process of descending, a drift diameter tool is descended to the position of a fish top, the depth of the fish top is verified, and if the drift diameter gauge, the weighting rod, the connector and the radial well capillary tube are blocked for display, a pump is started to flush in a positive circulation mode;
sand washing, well combined downhole tool string, the sand washing tool string combination includes: sleeving a milling barrel, a connector and a radial well capillary, downwards washing a tool to a position 30m above a resistance position, starting a pump to circulate and wash the tool while downwards, washing the tool to the depth of a fish top, circularly washing the well for a circle, and lifting out a sand washing tool after the fish top is washed clean;
printing, connecting a printing tool string combination, wherein the printing tool string combination comprises: the method comprises the following steps that a lead die, a weighting rod, a connector and a radial well capillary are lowered, a tool is lowered to a fish top position for pressurized printing, a printing tool string is drawn out, the lead printing condition is analyzed, and the specification of a fishing tool is determined;
salvage the steel wire, if have the well wire that falls on the choke ware, then salvage the steel wire operation, salvage the steel wire instrument combination and include: the fishing tool string of the choke is lowered into the fishing tool string of the choke if no object falls on the choke and the fish top is clean;
the choke holder cover mills, makes up the instrument cluster in the pit, and choke holder cover mills the instrument cluster combination and includes: the sleeve milling tool comprises a sleeve milling tool, a centralizer, a motor head assembly, a weighting rod, a compensator, a hydraulic anchor, a twister, a connector and a radial well capillary tube, wherein the hydraulic anchor and the twister are used for fixing a motor stator, the hydraulic anchor is anchored on an oil pipe through hydraulic pressure, the twister rotates along with the motor to play a role, the motor stator is further fixed, the sleeve milling tool is placed at the position of a fish top to be pumped and then circulates, the motor is driven to operate through hydraulic pressure, so that the sleeve milling tool is driven to sleeve mill a clamping point, the compensator is used for milling a feed ruler until the position of the clamping point is passed, and the connector effectively prevents the radial well capillary tube from being twisted off;
latus rectum, the well tool cluster in the pit of combination, latus rectum tool cluster combination includes: and (3) putting the pipe scraper, the connector and the radial well capillary into the drifting scraping tool string to drift the diameter of the underground pipe string, and taking out the tool string after the drift diameter of the oil pipe is unobstructed to finish well handing over.
2. The process for implementing the integrated device for shocking, boosting drawing and sleeve milling of the small-caliber inner microtube as claimed in claim 1, wherein the integrated device comprises the following steps: salvage the choke ware, make up the well tool string, salvage choke ware tool string combination includes: fishing tool, pin formula safety joint, jar knocker, accelerator, weight bar, connector and radial well capillary utilize jar knocker to carry out the jar and crack the card, shake the pine back with flow controller, fish out, if there is the condition of salvaging the fish but unable the card of cracking off, through pin formula safety joint, release fishing tool in the well voluntarily.
3. The process for implementing the integrated device for shocking, boosting drawing and sleeve milling of the small-caliber inner microtube as claimed in claim 1, wherein the integrated device comprises the following steps: salvage the choke ware, make up the well tool string, salvage choke ware tool string combination includes: the fishing tool is actively released into the well through the pin type safety joint if the condition that the fishing tool cannot be released when the fish falls is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119517.4A CN112253026B (en) | 2020-10-19 | 2020-10-19 | Small-pipe-diameter inner micro-pipe shocking, boosting drawing, sleeving, grinding and milling integrated process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119517.4A CN112253026B (en) | 2020-10-19 | 2020-10-19 | Small-pipe-diameter inner micro-pipe shocking, boosting drawing, sleeving, grinding and milling integrated process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112253026A CN112253026A (en) | 2021-01-22 |
| CN112253026B true CN112253026B (en) | 2022-08-09 |
Family
ID=74244891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011119517.4A Active CN112253026B (en) | 2020-10-19 | 2020-10-19 | Small-pipe-diameter inner micro-pipe shocking, boosting drawing, sleeving, grinding and milling integrated process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253026B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431516B (en) * | 2021-08-05 | 2022-07-29 | 中国石油天然气股份有限公司 | Fishing assembly and fishing method for underground fish |
| CN115162992A (en) * | 2022-06-30 | 2022-10-11 | 中石化石油工程技术服务有限公司 | Small-diameter pipe column cutting and fishing integrated fishing device and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967439A (en) * | 2014-04-28 | 2014-08-06 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Continuous milling and salvage integrated tool and milling and salvage method thereof |
| CN104234654B (en) * | 2014-09-12 | 2016-08-24 | 崔泽庚 | A kind of underground hydraulic pressure bumper stuck releasing device |
| CN106150416A (en) * | 2015-03-27 | 2016-11-23 | 中国石油化工股份有限公司 | High angle water injection well capillary tube hydraulic booster throw in catcher |
| CN204782895U (en) * | 2015-07-06 | 2015-11-18 | 中国石油化工股份有限公司 | Horizontal well unfreezing jar accelerator |
| US20190301258A1 (en) * | 2018-03-27 | 2019-10-03 | Schlumberger Technology Corporation | Downhole Fishing |
-
2020
- 2020-10-19 CN CN202011119517.4A patent/CN112253026B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112253026A (en) | 2021-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112253026B (en) | Small-pipe-diameter inner micro-pipe shocking, boosting drawing, sleeving, grinding and milling integrated process | |
| CN204060596U (en) | A kind of down-hole unfreezing hydraulic force increasing device | |
| CN104234654B (en) | A kind of underground hydraulic pressure bumper stuck releasing device | |
| CN102425371A (en) | Compound cave making method of open hole of coalbed gas well | |
| CN113482561A (en) | Oil and gas well sealing casing recovery device and recovery method thereof | |
| CN203161147U (en) | Milling tool used for oil well or water well | |
| CN111779466B (en) | Method for solving problem of shaft blockage of failed prefabricated restrictor through hydraulic sand blasting perforation process | |
| CN110939389B (en) | Device and method for casing running operation by using turnbuckle faucet | |
| CN110984891A (en) | Horizontal well downhole throttling process pipe column and method | |
| CN2580096Y (en) | Underwell hydraulic pulling releasing device | |
| CN115162992A (en) | Small-diameter pipe column cutting and fishing integrated fishing device and method | |
| CN110725664B (en) | Slurry stopping mechanism for well sealing and well sealing method thereof | |
| CN209483266U (en) | Piano wire fishing device in a kind of casing | |
| CN114278227A (en) | Construction method of lower pile casing of cast-in-place pile | |
| CN109723377B (en) | Open hole well completion reservoir integrated transformation method for window-opening side drilling | |
| CN209179706U (en) | A kind of fast salvaging oil/gas well casing bit | |
| CN211666674U (en) | Downhole throttling process pipe column for horizontal well | |
| CN111042737B (en) | Device and method for casing running operation by using common faucet | |
| RU2596158C1 (en) | Method of extracting broken and stuck pipes string of flexible pipes of emergency well | |
| RU2747238C1 (en) | Set of works to normalize equal bore section of inner diameter of additional production strings of directional and horizontal wells | |
| CN216110622U (en) | Fishing tool for deep well pump | |
| RU2501934C1 (en) | Method for preventing fall of borehole equipment to horizontal or side well shaft, and device for its implementation | |
| CN216586507U (en) | A protect a section of thick bamboo boots for digging rig construction soon and forming bored concrete pile | |
| CN108343384B (en) | Connector, connecting mechanism, tripping system and method for tripping a pole | |
| CN218644263U (en) | Drilling and scraping integrated wall scraper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230907 Address after: Inside Shandong Deshi Petroleum Engineering Group Co., Ltd., No. 29 Qilianshan Road, Dongying District, Dongying City, Shandong Province, 257000 yuan Patentee after: Shengli Oilfield Zhongyang Petroleum Engineering Co.,Ltd. Address before: 257000 building 18, college student Pioneer Park, Zoucheng Road, Dongying District, Dongying City, Shandong Province Patentee before: Deshi Energy Technology Group Co.,Ltd. Patentee before: SHANDONG DESHI PETROLEUM EQUIPMENT Co.,Ltd. Patentee before: Shengli Oilfield Zhongyang Petroleum Engineering Co.,Ltd. |