CN204532320U - Ball seat packing multi-cluster perforation fracturing tubular column - Google Patents
Ball seat packing multi-cluster perforation fracturing tubular column Download PDFInfo
- Publication number
- CN204532320U CN204532320U CN201520119163.1U CN201520119163U CN204532320U CN 204532320 U CN204532320 U CN 204532320U CN 201520119163 U CN201520119163 U CN 201520119163U CN 204532320 U CN204532320 U CN 204532320U
- Authority
- CN
- China
- Prior art keywords
- ball seat
- ball
- completion casing
- dissolving
- pipe 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.)
- Expired - Fee Related
Links
- 238000012856 packing Methods 0.000 title claims description 34
- 230000009466 transformation Effects 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 6
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 238000005553 drilling Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a ball seat seals and separates many clusters of perforation fracturing tubular columns. The utility model discloses a ball seat seals many clusters of perforation fracturing tubular columns, include: the system comprises a well completion casing, a perforation pipe string, a ball seat and a dissolving ball; the inner wall of the well completion casing is provided with a limiting part at the corresponding position between the adjacent transformation layers; the perforating pipe string, the ball seat and the dissolving ball are all positioned in the completion casing; the perforating pipe string is connected with the ball seat and used for controlling and delivering the ball seat; the ball seat is used for holding and dissolves the ball, and the ball seat compresses tightly spacing part in order to fix the shutoff layer between the adjacent transformation layer of completion sleeve pipe in formation, and wherein, it is dissoluble after meeting water and reaching the predetermined time to dissolve the ball. The utility model discloses need not remove ball seat and the ball drill that dissolves on with the drill bit with the shutoff layer, stopped card brill, the sheathed tube condition of drill bit damage. In addition, the construction time and the construction cost are saved.
Description
Technical field
The utility model relates to oil-gas field fracturing renovation technique, particularly relates to a kind of ball seat packing many showers hole fracturing string.
Background technology
At present, the pressure break mode of oil gas field multilayer mainly contains fixed tubular column hydraulic sand blasting pressure break, open hole packer pressure break, drags the coiled tubing underseal of tubing string, back-up sand pressure break and waterpower pumping drilling bridging plug pressure break etc.
Wherein, the method of waterpower pumping drilling bridging plug pressure break is: use hydraulic pump to deliver in pit shaft by perforating gun and drilling bridging plug hydraulic pump, drilling bridging plug is carried out setting and packing pit shaft after, carry out perforation, fracturing work again, drilling bridging plug bores and removes the latus rectum up and down realizing different oil-gas Layer in pit shaft by the later stage.
Not only expend time in when carrying out brill to drilling bridging plug and removing operation length, but also easily occur the situation of bit freezing, bit breakage sleeve pipe.
Utility model content
The utility model provides a kind of ball seat packing many showers hole fracturing string, to overcome the defect existing for prior art.
The utility model provides a kind of ball seat packing many showers hole fracturing string, comprising: completion casing, perforation pipe string, ball seat and dissolving ball;
Position corresponding between adjacent transformation layer on described completion casing inwall is provided with limiting component;
Described perforation pipe string, described ball seat and described dissolving ball are all positioned at described completion casing;
Described perforation pipe string is connected with described ball seat, for controlling and delivering described ball seat;
Described ball seat is for holding described dissolving ball, and described ball seat compresses described limiting component to be fixed in described completion casing the plugged zone formed between described adjacent transformation layer, and wherein, described dissolving ball is met water and to be reached after Preset Time just solubilized.
Further, comprise 2 described limiting components, described 2 limiting components are symmetrical arranged with the central axis of described completion casing.
Further, the cross section of described ball seat is rounded, and the section area from one end of described ball seat to the other end increases gradually, one end that wherein section area is little and described limiting component compress, and one end that section area is large is provided with arc groove to hold described dissolving ball.
Further, described perforation pipe string is delivered instrument connected to form successively by cable, torpedo, head harness, magnetic locator, weighted lever, perforating gun, ball seat hole enlargement tool, ball seat.
Further, described perforating gun is many bunches of perforating guns.
Further, described ball seat delivery instrument is connected with described ball seat, for delivering described ball seat.
Further, described ball seat hole enlargement tool is connected with described ball seat, expanding for controlling described ball seat.
Further, described limiting component is provided with connector, the inwall at described completion casing place corresponding between described adjacent transformation layer is provided with the holding tank of described connector;
Described connector is connected in described holding tank.
Further, described limiting component is provided with bolt, the inwall at described completion casing place corresponding between described adjacent transformation layer is provided with screw;
Described bolt is screwed onto in described screw.
Ball seat packing many showers hole of the present utility model fracturing string, is respectively arranged with limiting component by position corresponding between adjacent transformation layer on completion casing inwall; Before utilizing ground hydraulic pump group that perforation pipe string and ball seat hydraulic pump are delivered to the limiting component in completion casing between adjacent transformation layer; Control the ball seat hole enlargement tool of perforation pipe string by expanding for current ball seat by terrestrial contr, and then the ball seat controlling perforation pipe string deliver instrument by current expanding after ball seat throw in and depart from; By terrestrial contr, perforation pipe string is proposed from the completion casing in pit shaft; Utilize ground hydraulic pump by dissolve ball be pumped into expanding after ball seat on, then by dissolve ball and expanding after ball seat be together pumped on the limiting component between adjacent transformation layer, formed sealing layer, by the packing of current transformation layer live.Wherein, the material of ball seat can be consistent with the material dissolving ball, and after waiting layer to be rebuilt all to transform, ball seat recovers to dissolve gradually with the water temperature in pit shaft with dissolving ball, and residue returns out ground with returning discharge opeing, downhole well fluid Path Setup.Do not need with drill bit, plugged zone upper ball base and dissolving round bur to be removed, stopped the situation of bit freezing, bit breakage sleeve pipe.In addition, engineering time and operating expenses is also saved.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 a is a structural representation of the utility model ball seat packing many showers hole fracturing string embodiment;
Fig. 1 b is the another structural representation of the utility model ball seat packing many showers hole fracturing string embodiment;
Fig. 2 is the perforation pipe string structure schematic diagram of the utility model ball seat packing many showers hole fracturing string embodiment;
Fig. 3 is the flow chart of the construction method embodiment of the utility model ball seat packing many showers hole fracturing string.
Description of reference numerals:
11: completion casing;
12: perforation pipe string;
121: cable;
122: torpedo;
123: head harness;
124: magnetic locator;
125: weighted lever;
126: perforating gun;
127: ball seat hole enlargement tool;
128: instrument delivered by ball seat;
13: ball seat;
14: dissolve ball;
15: limiting component;
16: terrestrial contr.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 a is a structural representation of the utility model ball seat packing many showers hole fracturing string embodiment, and Fig. 1 b is the another structural representation of the utility model ball seat packing many showers hole fracturing string embodiment.As shown in Figure 1 a, 1 b, ball seat packing many showers hole fracturing string 01 of the present embodiment can comprise: completion casing 11, perforation pipe string 12, ball seat 13 and dissolving ball 14.Position corresponding between adjacent transformation layer on described completion casing 11 inwall is provided with limiting component 15; Described perforation pipe string 12, described ball seat 13 and described dissolving ball 14 are all positioned at described completion casing 11; Described perforation pipe string 12 is connected with described ball seat 13, for controlling and delivering described ball seat 13; Described ball seat 13 is for holding described dissolving ball 14, and described ball seat 13 compresses described limiting component 15 to be fixed in described completion casing 11 plugged zone formed between described adjacent transformation layer, wherein, described dissolving ball 14 is met water and to be reached after Preset Time just solubilized.
Such as, described dissolving ball 14 is being less than or equal in the water of 70 DEG C, can voltage stabilizing 70MPa in 5 hours, meeting light casing fracturing or hydraulic jetting fracturing operation to the demand of pressure, being more than or equal in the water of 70 DEG C, dissolving completely in 15 days.After layer to be rebuilt all transformed, dissolve ball 14 and recover to dissolve gradually with the water temperature in pit shaft, residue has returned out ground with returning discharge opeing.Here it should be noted that, the material dissolving ball 14 can be arranged according to actual needs, is not limited at this.
Optionally, described completion casing 11 inwall of position corresponding between adjacent transformation layer is provided with 2 described limiting components 15, described 2 limiting components 15 are symmetrical arranged with the central axis of described completion casing 11, as limiting component 15 corresponding to 101 in Fig. 1 a, Fig. 1 b or 102 places.
Wherein, described limiting component 15 can be fixing by being welded and fixed, connecting and fixing, be spirally connected with described completion casing 11 inwall.
Concrete connect and fix for: on described limiting component 15, be provided with connector, the inwall at described completion casing 11 place corresponding between adjacent transformation layer be provided with connector holding tank.Connector on described limiting component 15 is connected in the holding tank on the inwall at described completion casing 11 place corresponding between adjacent transformation layer.
Concrete being spirally connected is fixed as: on described limiting component 15, be provided with bolt, the inwall at described completion casing 11 place corresponding between adjacent transformation layer is provided with screw.Bolt on described limiting component 15 is screwed onto in the screw on the inwall at described completion casing 11 place corresponding between adjacent transformation layer.
The cross section of described ball seat 13 is rounded, and the section area from one end of described ball seat 13 to the other end increases gradually, one end that wherein section area is little and described limiting component 15 compress, and one end that section area is large is provided with arc groove to hold described dissolving ball 14, as shown in Figure 1 b.In addition, the material of described ball seat 13 can be consistent with the material of described dissolving ball 14, and after waiting layer to be rebuilt all to transform, ball seat 13 recovers to dissolve gradually with the water temperature in pit shaft with dissolving ball 14, and residue returns out ground with returning discharge opeing.
Fig. 2 is the perforation pipe string structure schematic diagram of the utility model ball seat packing many showers hole fracturing string embodiment.As shown in Figure 2, perforation pipe string 12 is delivered instrument 128 connected to form successively by cable 121, torpedo 122, head harness 123, magnetic locator 124, weighted lever 125, perforating gun 126, ball seat hole enlargement tool 127, ball seat.
Wherein, described ball seat hole enlargement tool 127 is connected with described ball seat 13, expanding for controlling described ball seat 13;
Ball seat is delivered instrument 128 and is connected with described ball seat 13, and for the ball seat 13 after expanding being shipped to the assigned address in completion casing 11, this assigned address controls magnetic locator 124 by terrestrial contr 16 and determines;
Terrestrial contr 16 controls perforating gun 126 and carries out single bunch of perforating job or many bunches of perforating jobs to transformation layer.
Ball seat packing many showers hole fracturing string of the present embodiment, is respectively arranged with limiting component by position corresponding between adjacent transformation layer on completion casing inwall; Before utilizing ground hydraulic pump group that perforation pipe string and ball seat hydraulic pump are delivered to the limiting component in completion casing between adjacent transformation layer; Control the ball seat hole enlargement tool of perforation pipe string by expanding for current ball seat by terrestrial contr, and then the ball seat controlling perforation pipe string deliver instrument by current expanding after ball seat throw in and depart from; By terrestrial contr, perforation pipe string is proposed from the completion casing in pit shaft; Utilize ground hydraulic pump by dissolve ball be pumped into expanding after ball seat on, then by dissolve ball and expanding after ball seat be together pumped on the limiting component between adjacent transformation layer, formed sealing layer, by the packing of current transformation layer live.Wherein, the material of ball seat can be consistent with the material dissolving ball, and after waiting layer to be rebuilt all to transform, ball seat recovers to dissolve gradually with the water temperature in pit shaft with dissolving ball, and residue returns out ground with returning discharge opeing, downhole well fluid Path Setup.Do not need with drill bit, plugged zone upper ball base and dissolving round bur to be removed, stopped the situation of bit freezing, bit breakage sleeve pipe.In addition, engineering time and operating expenses is also saved.
Fig. 3 is the flow chart of the construction method embodiment of the utility model ball seat packing many showers hole fracturing string, and as shown in Figure 3, this method is applicable to the ball seat packing many showers hole fracturing string in above-described embodiment, comprises the steps:
Step 301, by completion casing lower going-into-well cylinder, and reinforce described pit shaft, have g section to transform layer in described pit shaft, wherein, g is natural number.
Such as, by completion casing lower going-into-well cylinder, and pit shaft is reinforced.Wherein, the transformation layer in the pit shaft of transformation is needed to be 3 layers.
Step 302, clean described pit shaft.
Step 303, to n-th section transformation layer carry out fracturing work, wherein, n is less than or equal to g, and n is natural number.
Fracturing work is carried out to the 1st section of transformation layer.Wherein, fracturing work can be the operation of light casing fracturing or hydraulic jetting fracturing operation.
Step 304, utilize ground hydraulic pump group perforation pipe string and ball seat hydraulic pump are delivered in completion casing described n-th section transformation layer and (n+1)th section transform the limiting component between layer before.
Pump group in the surface water is utilized perforation pipe string and ball seat hydraulic pump to be delivered in completion casing before the 1st section of transformation layer and the 2nd section transform the limiting component between layer.Wherein, perforation pipe string is delivered instrument connected to form successively by cable, torpedo, head harness, magnetic locator, weighted lever, perforating gun, ball seat hole enlargement tool, ball seat.
Ball seat hole enlargement tool is connected with ball seat, expanding for controlling described ball seat; Ball seat is delivered instrument and is also connected with ball seat, and for the ball seat after expanding being shipped to the assigned address in completion casing, this assigned address is determined by magnetic locator.
Step 305, that described perforation pipe string controls described ball seat is expanding, and throw in expanding after ball seat.
Control the ball seat hole enlargement tool of perforation pipe string by expanding for current ball seat by terrestrial contr, make it become large.And then control perforation pipe string ball seat deliver instrument by current expanding after ball seat throw in depart from.
Step 306, utilize described perforation pipe string to described (n+1)th section transformation layer carry out perforation.
The perforating gun being controlled perforation pipe string by terrestrial contr carries out single shower hole or many showers hole to the 2nd section of transformation layer.
Step 307, described pit shaft is proposed described perforation pipe string.
By terrestrial contr, perforation pipe string is proposed from the completion casing in pit shaft.
Step 308, utilize described ground hydraulic pump by dissolve ball be pumped to described expanding after ball seat on, again by dissolve ball and described expanding after ball seat be together pumped to described n-th section transform layer and (n+1)th section transform on the described limiting component between layer, form sealing layer, by the packing of described n-th section of transformation layer.
Utilize ground hydraulic pump by dissolve ball be pumped into expanding after ball seat on, then by dissolve ball and expanding after ball seat be together pumped into the 1st section transform layer and the 2nd section transform on the limiting component between layer, form sealing layer, so just transform layer packing firmly by the 1st section.
Step 309, repetition step 303 are to the operation of step 308, until the whole fracturing work of described g section transformation layer completes.
Fracturing work is carried out to the 2nd section of transformation layer; Pump group in the surface water is utilized perforation pipe string and ball seat hydraulic pump to be delivered in completion casing before the 2nd section of transformation layer and the 3rd section transform the limiting component between layer; Control the ball seat hole enlargement tool of perforation pipe string by expanding for current ball seat by terrestrial contr, make it become large; The perforating gun being controlled perforation pipe string by terrestrial contr carries out perforation to the 3rd section of transformation layer; By terrestrial contr, perforation pipe string is proposed from the completion casing in pit shaft; Utilize ground hydraulic pump by dissolve ball be pumped into expanding after ball seat on, then by dissolve ball and expanding after ball seat be together pumped into the 2nd section transform layer and the 3rd section transform on the limiting component between layer, form sealing layer, so just transform layer packing firmly by the 2nd section; Fracturing work is carried out to the 3rd section of transformation layer.So just by complete for layer whole fracturing work of layer to be rebuilt of 3 in pit shaft.
After construction terminates, the whole dissolving ball in pit shaft and ball seat recover to dissolve gradually with water temperature in well, and the residue after dissolving returns through open flow and discharges ground, and in completion tubular column, latus rectum is consistent, and pit shaft is complete is convenient to later stage operation.
The construction method of ball seat packing many showers hole fracturing string of the present embodiment, is respectively arranged with a limiting component by position corresponding between adjacent transformation layer on completion casing inwall; Before utilizing ground hydraulic pump group that perforation pipe string and ball seat hydraulic pump are delivered to the limiting component in completion casing between adjacent transformation layer; Control the ball seat hole enlargement tool of perforation pipe string by expanding for current ball seat by terrestrial contr, and then the ball seat controlling perforation pipe string deliver instrument by current expanding after ball seat throw in and depart from; Perforation pipe string is utilized to carry out perforation to next transformation layer; By terrestrial contr, perforation pipe string is proposed from the completion casing in pit shaft; Utilize ground hydraulic pump by dissolve ball be pumped into expanding after ball seat on, then by dissolve ball and expanding after ball seat be together pumped on the limiting component between adjacent transformation layer, formed sealing layer, by the packing of current transformation layer live.Wherein, the material of ball seat can be consistent with the material dissolving ball, and after waiting layer to be rebuilt all to transform, ball seat recovers to dissolve gradually with the water temperature in pit shaft with dissolving ball, and residue returns out ground with returning discharge opeing, downhole well fluid Path Setup.Do not need with drill bit, plugged zone upper ball base and dissolving round bur to be removed, stopped the situation of bit freezing, bit breakage sleeve pipe.In addition, engineering time and operating expenses is also saved.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. ball seat packing many showers hole fracturing string, is characterized in that, comprising: completion casing, perforation pipe string, ball seat and dissolving ball;
Position corresponding between adjacent transformation layer on described completion casing inwall is provided with limiting component;
Described perforation pipe string, described ball seat and described dissolving ball are all positioned at described completion casing;
Described perforation pipe string is connected with described ball seat, for controlling and delivering described ball seat;
Described ball seat is for holding described dissolving ball, and described ball seat compresses described limiting component to be fixed in described completion casing the plugged zone formed between described adjacent transformation layer, and wherein, described dissolving ball is met water and to be reached after Preset Time just solubilized.
2. ball seat packing many showers hole according to claim 1 fracturing string, is characterized in that, comprise 2 described limiting components, and described 2 limiting components are symmetrical arranged with the central axis of described completion casing.
3. ball seat packing many showers hole according to claim 2 fracturing string, it is characterized in that, the cross section of described ball seat is rounded, and the section area from one end of described ball seat to the other end increases gradually, one end that wherein section area is little and described limiting component compress, and one end that section area is large is provided with arc groove to hold described dissolving ball.
4. ball seat packing many showers hole according to claim 1 fracturing string, is characterized in that, described perforation pipe string is delivered instrument connected to form successively by cable, torpedo, head harness, magnetic locator, weighted lever, perforating gun, ball seat hole enlargement tool, ball seat.
5. ball seat packing many showers hole according to claim 4 fracturing string, it is characterized in that, described perforating gun is many bunches of perforating guns.
6. ball seat packing many showers hole according to claim 4 fracturing string, is characterized in that, described ball seat is delivered instrument and is connected with described ball seat, for delivering described ball seat.
7. ball seat packing many showers hole according to claim 4 fracturing string, it is characterized in that, described ball seat hole enlargement tool is connected with described ball seat, expanding for controlling described ball seat.
8. according to the arbitrary described ball seat packing many showers hole fracturing string of claim 1-7, it is characterized in that, described limiting component is provided with connector, the inwall at described completion casing place corresponding between described adjacent transformation layer is provided with the holding tank of described connector;
Described connector is connected in described holding tank.
9., according to the arbitrary described ball seat packing many showers hole fracturing string of claim 1-7, it is characterized in that, described limiting component is provided with bolt, the inwall at described completion casing place corresponding between described adjacent transformation layer is provided with screw;
Described bolt is screwed onto in described screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119163.1U CN204532320U (en) | 2015-02-28 | 2015-02-28 | Ball seat packing multi-cluster perforation fracturing tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119163.1U CN204532320U (en) | 2015-02-28 | 2015-02-28 | Ball seat packing multi-cluster perforation fracturing tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532320U true CN204532320U (en) | 2015-08-05 |
Family
ID=53746342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520119163.1U Expired - Fee Related CN204532320U (en) | 2015-02-28 | 2015-02-28 | Ball seat packing multi-cluster perforation fracturing tubular column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532320U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507877A (en) * | 2015-12-18 | 2016-04-20 | 杭州瑞利声电技术公司 | Downhole perforation blocking monitoring and solving method |
| CN105986799A (en) * | 2015-02-28 | 2016-10-05 | 中国石油天然气股份有限公司 | Ball seat packing multi-cluster perforation fracturing string and construction method |
| CN107191157A (en) * | 2017-07-06 | 2017-09-22 | 中国石油集团渤海钻探工程有限公司 | A kind of solvable packing completion method of full-bore |
| CN107191170A (en) * | 2017-07-06 | 2017-09-22 | 中国石油集团渤海钻探工程有限公司 | The intelligent bridging plug of one kind pumping makees completion method with perforation connection |
| CN108868726A (en) * | 2017-05-16 | 2018-11-23 | 深圳市百勤石油技术有限公司 | For the component of horizontal segment reservoir fracturing and its fracturing process of infinite stages full-bore |
-
2015
- 2015-02-28 CN CN201520119163.1U patent/CN204532320U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986799A (en) * | 2015-02-28 | 2016-10-05 | 中国石油天然气股份有限公司 | Ball seat packing multi-cluster perforation fracturing string and construction method |
| CN105986799B (en) * | 2015-02-28 | 2019-02-15 | 中国石油天然气股份有限公司 | Ball seat packing multi-cluster perforation fracturing string and construction method |
| CN105507877A (en) * | 2015-12-18 | 2016-04-20 | 杭州瑞利声电技术公司 | Downhole perforation blocking monitoring and solving method |
| CN108868726A (en) * | 2017-05-16 | 2018-11-23 | 深圳市百勤石油技术有限公司 | For the component of horizontal segment reservoir fracturing and its fracturing process of infinite stages full-bore |
| CN108868726B (en) * | 2017-05-16 | 2024-04-16 | 百勤能源科技（惠州）有限公司 | Assembly for fracturing horizontal section reservoir and fracturing method of infinite-stage full-drift diameter of assembly |
| CN107191157A (en) * | 2017-07-06 | 2017-09-22 | 中国石油集团渤海钻探工程有限公司 | A kind of solvable packing completion method of full-bore |
| CN107191170A (en) * | 2017-07-06 | 2017-09-22 | 中国石油集团渤海钻探工程有限公司 | The intelligent bridging plug of one kind pumping makees completion method with perforation connection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204532320U (en) | Ball seat packing multi-cluster perforation fracturing tubular column | |
| RU2553717C2 (en) | Soluble bridge plug | |
| CN101539007B (en) | Abrasive jetting device and method for abrasive jetting flow and jetting perforation and multiple fracturing | |
| CN105507865B (en) | The method of refracturing for oil gas water well | |
| CN104278978A (en) | Soluble bridge plug fracturing process pipe column and fracturing method thereof | |
| CN104564003A (en) | Drilling plug-free pumping type hydraulic bridge plug staged fracturing method | |
| CN103266875A (en) | Fracturing operation method of multistage hydraulic jet staged fracturing tubular column | |
| CN105569619A (en) | Abrasive perforating unblocking method and device for coiled tubing | |
| CN103867177A (en) | Horizontal well fracturing method | |
| CN105986799B (en) | Ball seat packing multi-cluster perforation fracturing string and construction method | |
| CN103184867B (en) | Packer jetting tool ground simulation method suitable for multistage hydraulic jetting fracturing | |
| CN104420835A (en) | Multi-cluster perforation fracturing well completion pipe string and construction method | |
| CN204941492U (en) | Regulation device is injected in water injection well umbilical duct holostrome position | |
| CN104832143A (en) | Water injection well umbilical pipe full-horizon injection regulation device | |
| CN104213891A (en) | Coiled tubing controllable packer process pipe column for old well repeated reconstruction | |
| CN109505655A (en) | A kind of method of construction of salt hole air reserved storeroom | |
| CN103266876A (en) | Fracturing working method of multilevel hydraulic spraying segmentation fracturing tubular column | |
| CN105507867B (en) | A kind of device and method for generating wellbore crack | |
| CN104832092A (en) | Hydraulic jet sidetracking process | |
| CN105507855B (en) | A kind of device for being used to generate storage exploitation runner | |
| CN109723377B (en) | Open hole well completion reservoir integrated transformation method for window-opening side drilling | |
| CN111058817A (en) | Multi-section perforation fracturing horizontal well shaft integrity recovery method | |
| CN106593387A (en) | Method for realizing staged multi-cluster fracturing of horizontal well | |
| CN111779466B (en) | Method for solving problem of shaft blockage of failed prefabricated restrictor through hydraulic sand blasting perforation process | |
| CN107191170A (en) | The intelligent bridging plug of one kind pumping makees completion method with perforation connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |