CN104790895A - Cable transmission drillable type water source well leaking stoppage method - Google Patents
Cable transmission drillable type water source well leaking stoppage method Download PDFInfo
- Publication number
- CN104790895A CN104790895A CN201510115688.2A CN201510115688A CN104790895A CN 104790895 A CN104790895 A CN 104790895A CN 201510115688 A CN201510115688 A CN 201510115688A CN 104790895 A CN104790895 A CN 104790895A
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- China
- Prior art keywords
- well
- tube
- drillable
- water
- leak source
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 title abstract description 8
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- 239000004576 sand Substances 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- E21B29/10—Reconditioning of well casings, e.g. straightening
-
- 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
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
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)
- Earth Drilling (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention relates to the technical field of water well repairing, in particular to a cable transmission drillable type water source well leaking stoppage method. The cable transmission drillable type water source well leaking stoppage method comprises the steps that according to the situations of sand gushing and effluent salt water of a problem water well, a logging truck is used in cooperation with a downhole television to find the position of a leakage point of the problem water well, the damage situation of the leakage point is determined, and meanwhile the hole diameter of the problem water well is measured. The cable transmission drillable type water source well leaking stoppage method improves the transmission speed, can achieve leaking stoppage of water wells with the depth being smaller than 200 meters, can achieve repeated operation on the water wells, achieves the purpose of repeated leaking stoppage repairing operations on the same water well, improves the well repairing success rate, prolongs the service life of the water well, relives the labor intensity of well repairing, and reduces the well repairing cost.
Description
Technical field:
The present invention relates to a kind of well well workover technology field, particularly a kind of cable transmits drillable water supply well blocking method.
Background technology:
At present, all trades and professions get more and more to the exploitation of underground water, and deep well construction constantly increases, and these Water Wells have many decades age mostly.In routine use process there is leak source in well sleeve pipe, makes normal well gush sand, goes out salt water, the problem such as water quality string layer.Current well leak stopping generally coordinates with crane, transmits steel liner to leak source position with drilling tool or oil pipe, expands carry out leak stopping by expanded rubber.Use drilling tool transmission, transfer rate is generally about 200 ms/h, and transfer rate is slow, thus the leak stopping within 800 meters is only suitable for, the degree of depth, more than 800 meters, causing expanded rubber just to expand when not being sent to design attitude, thus cannot realize ultradeep well leak stopping.Existing leak stopping mode belongs to disposable leak stopping simultaneously, once occur that under former leak source new leak source or screen casing go wrong after some time, steel patching tube milling difficulty, and well tunica pipe is easily damaged in milling process, make the repair again of this well be difficult to carry out, this well finally may be caused to scrap.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of cable and transmits drillable water supply well blocking method, the method achieve and improve transfer rate, different depth well leak stopping within can realizing 2000 meters, repetition operation can be carried out to well, reaching same mouth well saliva well can the object of repeatedly leak stopping repair, adds well workover success rate, extends the application life of well, reduce well workover labour intensity, reduce workover cost.Overcome existing well blocking method and can not realize ultradeep well leak stopping, repeatedly can not repeat the deficiency of leak stopping repair.
The technical solution used in the present invention is: a kind of cable transmits drillable water supply well blocking method, and the method step is as follows:
Gushing sand, go out salt water situation one, according to problem well, coordinates the leak source position of under-mine TV find problem well, determines the breakage of leak source, will measure the hole diameter size of problem well simultaneously with logging truck;
Two, drillable patching tube is made according to the breakage of problem well hole diameter size, leak source, drillable patching tube comprises base tube, on base tube, uniform intervals is set with multiple expanded rubber, expanded rubber two ends are equipped with plastics gear hoop, the contiguous expanded rubber one end of plastics gear hoop is designed with a circle tank, design one circle saw-tooth grooves on plastics gear hoop outside tank, plastics gear hoop and base tube adopt PVC-U plastics or PP-R plastics to make;
Three, well logging inserting tube is connected with the cable of logging truck, well logging inserting tube is by magnetic orientation inserting tube, hole diameter inserting tube, telescopic pin and centralizer composition, magnetic orientation inserting tube, hole diameter inserting tube, centralizer connects in turn, telescopic pin is arranged on hole diameter inserting tube, telescopic pin can be stretched, drillable patching tube is sleeved on outside well logging inserting tube, telescopic pin is stretched out and is inserted in the installing hole on drillable patching tube inwall, cable transmits drillable patching tube, transport process medium velocity remains on 20-30 m/min, after being sent to design subsidy leak source position, wait for peacefully 72 hours, expanded rubber expands after meeting water naturally, after multiple tracks expanded rubber on drillable patching tube expands, drillable patching tube and well well casing are integrally fixed, now well leak source shutoff completes, telescopic pin is shunk, well logging inserting tube is proposed, well leak stopping repair terminates,
Four, after successful leak stopping, if occur under leak source that new leak source or filter pipe go wrong, can above production rig, with milling alloy scraper drill bit, existing drillable patching tube is cleaned out, then carry out repair again to each leak source to this problem well from bottom to up according to above-mentioned one, two, three steps, same well can repeatedly repair.
The invention has the beneficial effects as follows: the present invention is owing to have employed the mode of the cable transmission drillable patching tube of logging truck, thus have and improve transfer rate, the advantage of different depth well leak stopping within 2000 meters can be realized, repetition operation can be carried out to well, reaching same mouth well saliva well can the object of repeatedly leak stopping repair, adds well workover success rate, extends the application life of well, reduce well workover labour intensity, reduce workover cost.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is the structural representation of well logging inserting tube.
Fig. 3 is the structural representation of drillable patching tube.
Detailed description of the invention:
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:
Gushing sand, go out salt water situation one, according to problem well, coordinates the leak source position of under-mine TV find problem well, determines the breakage of leak source, will measure the hole diameter size of problem well simultaneously with logging truck 1;
Two, drillable patching tube 4 is made according to the breakage of problem well hole diameter size, leak source, drillable patching tube 4 comprises base tube 11, on base tube 11, uniform intervals is set with multiple expanded rubber 9, expanded rubber 9 two ends are equipped with plastics gear hoop 10, contiguous expanded rubber 9 one end of plastics gear hoop 10 is designed with a circle tank, design one circle saw-tooth grooves 12 on plastics gear hoop 10 outside tank, plastics gear hoop 10 and base tube 11 adopt PVC-U plastics or PP-R plastics to make;
Three, well logging inserting tube 3 is connected with the cable 2 of logging truck 1, well logging inserting tube 3 is by magnetic orientation inserting tube 5, hole diameter inserting tube 6, telescopic pin 7 and centralizer 8 form, magnetic orientation inserting tube 5, hole diameter inserting tube 6, centralizer 8 connects in turn, telescopic pin 7 is arranged on hole diameter inserting tube 6, telescopic pin 7 can be stretched, drillable patching tube 4 is sleeved on outside well logging inserting tube 3, telescopic pin 7 is stretched out and is inserted in the installing hole on drillable patching tube 4 inwall, cable 2 transmits drillable patching tube 4, transport process medium velocity remains on 20-30 m/min, after being sent to design subsidy leak source position, wait for peacefully 72 hours, expanded rubber 9 expands after meeting water naturally, after multiple tracks expanded rubber 9 on drillable patching tube 4 expands, drillable patching tube 4 and well well casing are integrally fixed, now well leak source shutoff completes, telescopic pin 7 is shunk, well logging inserting tube 3 is proposed, well leak stopping repair terminates,
Four, after successful leak stopping, if occur under leak source that new leak source or filter pipe go wrong, can above production rig, with milling alloy scraper drill bit, existing drillable patching tube 4 is cleaned out, then carry out repair again to each leak source to this problem well from bottom to up according to above-mentioned one, two, three steps, same well can repeatedly repair.
The cable 2 of the present invention's logging truck 1 transmits drillable patching tube 4 and carries out well leak stopping repair.With the transmission of logging truck cable, greatly can improve transfer rate, make expanded rubber 9 be sent to design attitude smoothly before inflation, ultradeep well leak stopping is come true.
Be understandable that, above about specific descriptions of the present invention, the technical scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.
Claims (1)
1. cable transmits a drillable water supply well blocking method, it is characterized in that: the method step is as follows:
Gushing sand, go out salt water situation one, according to problem well, coordinates the leak source position of under-mine TV find problem well, determines the breakage of leak source, will measure the hole diameter size of problem well simultaneously with logging truck (1);
Two, according to problem well hole diameter size, the breakage of leak source makes drillable patching tube (4), drillable patching tube (4) comprises base tube (11), the upper uniform intervals of base tube (11) is set with multiple expanded rubber (9), expanded rubber (9) two ends are equipped with plastics gear hoop (10), contiguous expanded rubber (9) one end of plastics gear hoop (10) is designed with a circle tank, saw-tooth grooves (12) is enclosed in the upper design one of plastics gear hoop (10) outside tank, plastics gear hoop (10) and base tube (11) adopt PVC-U plastics or PP-R plastics to make,
Three, well logging inserting tube (3) is connected with the cable (2) of logging truck (1), well logging inserting tube (3) is by magnetic orientation inserting tube (5), hole diameter inserting tube (6), telescopic pin (7) and centralizer (8) composition, magnetic orientation inserting tube (5), hole diameter inserting tube (6), centralizer (8) connects in turn, telescopic pin (7) is arranged on hole diameter inserting tube (6), telescopic pin (7) can be stretched, drillable patching tube (4) is sleeved on well logging inserting tube (3) outside, telescopic pin (7) is stretched out and is inserted in the installing hole on drillable patching tube (4) inwall, cable (2) transmits drillable patching tube (4), transport process medium velocity remains on 20-30 m/min, after being sent to design subsidy leak source position, wait for peacefully 72 hours, expanded rubber (9) expands after meeting water naturally, after multiple tracks expanded rubber (9) on drillable patching tube (4) expands, drillable patching tube (4) and well well casing are integrally fixed, now well leak source shutoff completes, telescopic pin (7) is shunk, well logging inserting tube (3) is proposed, well leak stopping repair terminates,
Four, after successful leak stopping, if occur under leak source that new leak source or filter pipe go wrong, can above production rig, with milling alloy scraper drill bit, existing drillable patching tube (4) is cleaned out, then carry out repair again to each leak source to this problem well from bottom to up according to above-mentioned one, two, three steps, same 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 true CN104790895A (en) | 2015-07-22 |
| CN104790895B CN104790895B (en) | 2017-03-29 |
Family
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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)
| Country | Link |
|---|---|
| CN (1) | CN104790895B (en) |
Cited By (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 | Casing damage well self-expansion rubber patching device and patching method thereof |
| CN109630804A (en) * | 2018-12-05 | 2019-04-16 | 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 |
| CN112727442A (en) * | 2019-10-28 | 2021-04-30 | 中国石油化工股份有限公司 | Visual workover operation tubular column and method for coiled tubing |
Citations (6)
| 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 |
| WO2011101481A2 (en) * | 2010-02-22 | 2011-08-25 | Welltec A/S | Tubular assembly |
| 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 |
-
2015
- 2015-03-17 CN CN201510115688.2A patent/CN104790895B/en not_active Expired - Fee Related
Patent Citations (6)
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|---|---|---|---|---|
| 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 |
| WO2011101481A2 (en) * | 2010-02-22 | 2011-08-25 | Welltec A/S | Tubular assembly |
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Non-Patent Citations (2)
| Title |
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| 张岚: "水井套管渗漏的查找与修复", 《探矿工程(岩土钻掘工程)》 * |
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Cited By (4)
| 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 | Casing damage well self-expansion rubber patching device and patching method thereof |
| CN109630804A (en) * | 2018-12-05 | 2019-04-16 | 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 |
| 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 |
| CN112727442A (en) * | 2019-10-28 | 2021-04-30 | 中国石油化工股份有限公司 | Visual workover operation tubular column and method for coiled tubing |
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| Publication number | Publication date |
|---|---|
| CN104790895B (en) | 2017-03-29 |
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Granted publication date: 20170329 Termination date: 20200317 |