CN104790895B - Cable transmits drillable water supply well blocking method - Google Patents
Cable transmits drillable water supply well blocking method Download PDFInfo
- Publication number
- CN104790895B CN104790895B CN201510115688.2A CN201510115688A CN104790895B CN 104790895 B CN104790895 B CN 104790895B CN 201510115688 A CN201510115688 A CN 201510115688A CN 104790895 B CN104790895 B CN 104790895B
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- CN
- China
- Prior art keywords
- water supply
- well
- supply well
- drillable
- tube
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B29/10—Reconditioning of well casings, e.g. straightening
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
Abstract
The present invention relates to a kind of water supply well well workover technology field, more particularly to a kind of cable transmission drillable water supply well blocking method.The method step is as follows：First, gushing sand, going out salt water situation according to problem water supply well, coordinates under-mine TV to find out the leak source position of problem water supply well with logging truck, determines the breakage of leak source, while the hole diameter size measured by problem water supply well.Present invention achieves improve transfer rate, different depth water supply well leak stopping within 2000 meters can be realized, can water supply well be carried out repeating operation, reached with mouth water supply well can multiple leak stopping repair purpose, increased well workover success rate, the service life of water supply well is extended, well workover labor intensity is reduced, workover cost is reduced.
Description
Technical field：
The present invention relates to a kind of water supply well well workover technology field, more particularly to a kind of cable transmission drillable water supply well leak stopping
Method.
Background technology：
At present, exploitation of all trades and professions to subsoil water is more and more, and the well construction of deep water source is continuously increased, these water supply well wells
Age has many decades mostly.During routine use, there is leak source in water source casing, make normal water supply well gush sand, go out it is salty
The problems such as water, water quality string layer.Water supply well leak stopping at present is typically coordinated with crane, transmits steel liner to leak source with drilling tool or oil pipe
Position, carries out leak stopping by expanded rubber expansion.Transmitted with drilling tool, generally 200 ms/h or so of transfer rate, transfer rate
Slowly, thus the leak stopping that is only suitable within 800 meters, depth can cause expanded rubber when design attitude is not sent to more than 800 meters
Just expanded, thus ultradeep well leak stopping cannot be realized.Existing leak stopping mode belongs to disposable leak stopping simultaneously, after some time
Once new leak source occur under former leak source or screen casing going wrong, the milling of steel patching tube is difficult, and during milling
Water supply well tunica pipe is easily damaged, is made the repair again of the well be difficult to carry out, the water supply well may finally be caused to scrap.
The content of the invention：
The technical problem to be solved in the present invention is to provide a kind of cable transmission drillable water supply well blocking method, the method reality
Show and improve transfer rate, different depth water supply well leak stopping within can realizing 2000 meters can repeat to water supply well
Operation, reached with mouth water supply well can multiple leak stopping repair purpose, increased well workover success rate, extend water supply well
Service life, reduces well workover labor intensity, reduces workover cost.Overcome existing water supply well blocking method and can not realize ultradeep well
Leak stopping, it is impossible to carry out the deficiency of leak stopping repair is repeated several times.
The technical solution used in the present invention is：A kind of cable transmits drillable water supply well blocking method, the method step
It is as follows：
First, gushing sand, going out salt water situation according to problem water supply well, coordinates under-mine TV to find out problem water supply well with logging truck
Leak source position, determine the breakage of leak source, while the hole diameter size measured by problem water supply well；
2nd, drillable patching tube, drillable patching tube are made according to the breakage of problem water supply well hole diameter size, leak source
Including base tube, on base tube, uniform intervals are set with multiple expanded rubbers, and expanded rubber two ends are equipped with plastics gear hoop, plastics gear hoop
Neighbouring expanded rubber one end is designed with a circle tank, and saw-tooth grooves, plastics are enclosed in the design one on the plastics gear hoop on the outside of tank
Gear hoop and base tube are made using PVC-U plastics or PP-R plastics；
3rd, with the cable connection of logging truck well logging inserting tube, well logging inserting tube by magnetic orientation inserting tube, hole diameter inserting tube, telescopic pin and
Centralizer is constituted, and magnetic orientation inserting tube, hole diameter inserting tube, centralizer are sequentially connected with, and telescopic pin is arranged on hole diameter inserting tube, telescopic pin energy
Enough flexible, drillable patching tube is sleeved on the outside of well logging inserting tube, and telescopic pin is stretched out and inserts the peace on drillable subsidy inside pipe wall
In dress hole, cable transmission drillable patching tube, transmit process medium velocity are maintained at 20-30 m/min, are sent to design subsidy leakage
Behind point position, wait for peacefully 72 hours, expanded rubber is expanded after meeting water naturally, the multiple tracks expanded rubber expansion on drillable patching tube
Afterwards, drillable patching tube is made to be integrally fixed with water supply well well casing, now water supply well leak source closure is completed, and telescopic pin is shunk, and carries
Go out inserting tube of logging well, water supply well leak stopping repair terminates；
4th, after successful leak stopping, if occur new leak source under leak source or filter pipe goes wrong, upper production rig,
Existing drillable patching tube is cleaned out with milling alloy scraper drill bit, then to the problem water supply well according to above-mentioned one,
2nd, three steps carry out repair again from bottom to up to each leak source, and same water supply well can repeatedly repair.
The invention has the beneficial effects as follows：Side of the present invention as a result of the cable transmission drillable patching tube of logging truck
Formula, thus have and improve transfer rate, the advantage of different depth water supply well leak stopping within 2000 meters can be realized, can be to water
Source well carries out repeating operation, reached with mouth water supply well can multiple leak stopping repair purpose, increased well workover success rate, prolong
The service life of water supply well has been grown, well workover labor intensity has been reduced, workover cost has been reduced.
Description of the drawings：
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the structural representation of well logging inserting tube.
Structural representations of the Fig. 3 for drillable patching tube.
Specific embodiment：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of cable transmits drillable water supply well blocking method, and the method step is as follows：
First, gushing sand, going out salt water situation according to problem water supply well, coordinates under-mine TV to find out problem water source with logging truck 1
The leak source position of well, determines the breakage of leak source, while the hole diameter size measured by problem water supply well；
2nd, drillable patching tube 4, drillable subsidy are made according to the breakage of problem water supply well hole diameter size, leak source
Pipe 4 includes base tube 11, and on base tube 11, uniform intervals are set with multiple expanded rubbers 9, and 9 two ends of expanded rubber are equipped with plastics gear hoop
10, plastics gear hoop 10 is designed with a circle tank adjacent to 9 one end of expanded rubber, and the design one on the plastics gear hoop 10 on the outside of tank is enclosed
Saw-tooth grooves 12, plastics gear hoop 10 and base tube 11 are made using PVC-U plastics or PP-R plastics；
3rd, with the cable 2 of logging truck 1 connection well logging inserting tube 3, well logging inserting tube 3 by magnetic orientation inserting tube 5, hole diameter inserting tube 6, stretch
Contracting pin 7 and centralizer 8 are constituted, and magnetic orientation inserting tube 5, hole diameter inserting tube 6, centralizer 8 are sequentially connected with, and telescopic pin 7 is visited installed in hole diameter
On pipe 6, telescopic pin 7 can be stretched, and drillable patching tube 4 is sleeved on the outside of well logging inserting tube 3, and telescopic pin 7 is stretched out and inserted and can bore
In installing hole on 4 inwall of formula patching tube, the transmission of cable 2 drillable patching tube 4, transmit process medium velocity be maintained at 20-30 rice/
Minute, after being sent to design subsidy leak source position, to wait for peacefully 72 hours, expanded rubber 9 is expanded after meeting water naturally, drillable patching tube
After multiple tracks expanded rubber 9 on 4 expands, drillable patching tube 4 is made to be integrally fixed with water supply well well casing, now water supply well leak source
Closure is completed, and telescopic pin 7 is shunk, and proposes well logging inserting tube 3, and water supply well leak stopping repair terminates；
4th, after successful leak stopping, if occur new leak source under leak source or filter pipe goes wrong, can above workover treatment
Machine, cleans out existing drillable patching tube 4 with milling alloy scraper drill bit, then to the problem water supply well according to above-mentioned
First, two, three steps carry out repair again from bottom to up to each leak source, and same water supply well can repeatedly repair.
The present invention carries out water supply well leak stopping repair with the transmission drillable of cable 2 patching tube 4 of logging truck 1.With well logging
Car cable is transmitted, and can be greatly improved transfer rate, be made expanded rubber 9 smoothly be sent to design attitude before inflation, make to surpass
Deep-well leak stopping comes true.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (1)
1. a kind of cable transmits drillable water supply well blocking method, it is characterised in that：The method step is as follows：
First, gushing sand, going out salt water situation according to problem water supply well, coordinates under-mine TV to find out problem water supply well with logging truck (1)
Leak source position, determine the breakage of leak source, while the hole diameter size measured by problem water supply well；
2nd, drillable patching tube (4), drillable patching tube are made according to the breakage of problem water supply well hole diameter size, leak source
(4) including base tube (11), on base tube (11), uniform intervals are set with multiple expanded rubbers (9), and expanded rubber (9) two ends are equipped with
Plastics gear hoop (10), neighbouring expanded rubber (9) one end of plastics gear hoop (10) are designed with a circle tank, the plastics gear on the outside of tank
Saw-tooth grooves (12) are enclosed in design one on hoop (10), and plastics gear hoop (10) and base tube (11) are using PVC-U plastics or PP-R plastics
Make；
3rd, with the cable (2) connection well logging inserting tube (3) of logging truck (1), well logging inserting tube (3) is visited by magnetic orientation inserting tube (5), hole diameter
Pipe (6), telescopic pin (7) and centralizer (8) composition, magnetic orientation inserting tube (5), hole diameter inserting tube (6), centralizer (8) are sequentially connected with, stretch
On hole diameter inserting tube (6), telescopic pin (7) can be stretched for contracting pin (7), and drillable patching tube (4) is sleeved on well logging inserting tube (3)
Outside, telescopic pin (7) are stretched out and are inserted in the installing hole on drillable patching tube (4) inwall, cable (2) transmission drillable subsidy
Pipe (4), transmit process medium velocity are maintained at 20-30 m/min, after being sent to design subsidy leak source position, wait for peacefully 72 hours, swollen
Swollen rubber (9) is expanded after meeting water naturally, after multiple tracks expanded rubber (9) expansion on drillable patching tube (4), subsidizes drillable
Pipe (4) is integrally fixed with water supply well well casing, and now water supply well leak source closure is completed, and telescopic pin (7) is shunk, and proposes well logging inserting tube
(3), water supply well leak stopping repair terminates；
4th, after successful leak stopping, if occur new leak source under leak source or filter pipe goes wrong, upper production rig, with mill
Milling alloy scraper drill bit cleans out existing drillable patching tube (4), then to the problem water supply well according to above-mentioned one,
2nd, three steps carry out repair again from bottom to up to each leak source, and same water supply well can repeatedly repair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115688.2A CN104790895B (en) | 2015-03-17 | 2015-03-17 | Cable transmits drillable water supply well blocking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510115688.2A CN104790895B (en) | 2015-03-17 | 2015-03-17 | Cable transmits drillable water supply well blocking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104790895A CN104790895A (en) | 2015-07-22 |
| CN104790895B true CN104790895B (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510115688.2A Expired - Fee Related CN104790895B (en) | 2015-03-17 | 2015-03-17 | Cable transmits drillable water supply well blocking method |
Country Status (1)
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| CN (1) | CN104790895B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761514A (en) * | 2016-12-15 | 2017-05-31 | 中国石油天然气股份有限公司 | A kind of casing damaged well self-expanding rubber patch device and its subsidy method |
| CN109630804B (en) * | 2018-12-05 | 2021-03-09 | 中煤第三建设集团机电安装工程有限责任公司 | Method for quickly plugging vertical shaft bobbin leakage point |
| CN112727442B (en) * | 2019-10-28 | 2024-02-06 | 中国石油化工股份有限公司 | Coiled tubing visual well repair operation tubular column and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2190692Y (en) * | 1993-12-15 | 1995-03-01 | 中原石油勘探局勘探公司 | Sleeve explosion mending device |
| US6283211B1 (en) * | 1998-10-23 | 2001-09-04 | Polybore Services, Inc. | Method of patching downhole casing |
| CN202611643U (en) * | 2012-06-08 | 2012-12-19 | 中国石油天然气股份有限公司青海油田分公司 | Cable drifting gauge |
| CN103899244A (en) * | 2012-12-25 | 2014-07-02 | 新疆中核天山铀业有限公司 | Method for repairing damaged drilled hole for in-situ leaching uranium mining through a plurality of layers of expanding materials |
| CN104213865A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气集团公司 | Self-expansion method improving sealing ability and self-expansion packer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2362062A1 (en) * | 2010-02-22 | 2011-08-31 | Welltec A/S | An annular barrier |
-
2015
- 2015-03-17 CN CN201510115688.2A patent/CN104790895B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2190692Y (en) * | 1993-12-15 | 1995-03-01 | 中原石油勘探局勘探公司 | Sleeve explosion mending device |
| US6283211B1 (en) * | 1998-10-23 | 2001-09-04 | Polybore Services, Inc. | Method of patching downhole casing |
| CN202611643U (en) * | 2012-06-08 | 2012-12-19 | 中国石油天然气股份有限公司青海油田分公司 | Cable drifting gauge |
| CN103899244A (en) * | 2012-12-25 | 2014-07-02 | 新疆中核天山铀业有限公司 | Method for repairing damaged drilled hole for in-situ leaching uranium mining through a plurality of layers of expanding materials |
| CN104213865A (en) * | 2013-06-05 | 2014-12-17 | 中国石油天然气集团公司 | Self-expansion method improving sealing ability and self-expansion packer |
Non-Patent Citations (2)
| Title |
|---|
| 水井套管渗漏的查找与修复;张岚;《探矿工程(岩土钻掘工程)》;19930325(第03期);第37-39页 * |
| 管内自膨胀封隔器的研制与应用;郑金中等;《石油矿场机械》;20140831;第43卷(第8期);第82-84页 * |
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| CN104790895A (en) | 2015-07-22 |
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Granted publication date: 20170329 Termination date: 20200317 |