CN109184631A - Coiled tubing abrasive perforating staged fracturing perforating gun - Google Patents
Coiled tubing abrasive perforating staged fracturing perforating gun Download PDFInfo
- Publication number
- CN109184631A CN109184631A CN201811238697.0A CN201811238697A CN109184631A CN 109184631 A CN109184631 A CN 109184631A CN 201811238697 A CN201811238697 A CN 201811238697A CN 109184631 A CN109184631 A CN 109184631A
- Authority
- CN
- China
- Prior art keywords
- sand
- nozzle
- perforating
- coiled tubing
- tool body
- 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.)
- Pending
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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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/114—Perforators using direct fluid action on the wall to be perforated, e.g. abrasive jets
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of coiled tubing abrasive perforating staged fracturing perforating guns, it includes the tool body of inner hollow, the tool body is equipped with perforation nozzle and sand flushing nozzle, the perforation nozzle is arranged radially on the peripheral wall of tool body, the sand flushing nozzle is arranged diagonally downward on the peripheral wall of tool body, and the sand flushing nozzle is blocked using solvable wiper plug.Sand setting more than packer rubber bucket when sand plug, can be flushed out pit shaft by sand flushing nozzle, realize that packer smoothly unseals, guarantee normal construction by the present invention during coiled tubing abrasive perforating staged fracturing.
Description
Technical field
The present invention relates to untraditional reservoir Well Completion Engineering of Oil Reservoirs field, especially a kind of coiled tubing abrasive perforating staged fracturing
Use perforating gun.
Background technique
With the exploitation of oil gas field and the continuous exhaustion of the energy, unconventional oil and gas will become the following petroleum gas energy
Important reliever relay.Unconventional oil and gas reservoir all has the feature in thin, fine and close, the low hole of reservoir, hyposmosis, needs extensive, fine
Transformation.
Coiled tubing drag fracturing technology is not only able to achieve large-scale redevelopment because it has, but also can reach separate stratum fracfturing, fixed point
It the characteristics of pressure break, fine pressure break, is used widely in foreign countries, domestic each Oilfield Company is also pushing the technology successively
Using.Once but existing coiled tubing abrasive perforating drag fracturing pipe string sand plug, no matter just washing or backwash cannot will penetrate
Sand setting below the rifle nozzle of hole between packer rubber bucket washes out, and causes packer that can not unseal, production accident occurs, influences to construct
Efficiency increases construction cost.
Summary of the invention
A kind of coiled tubing with sand-removing unblocking effect is provided it is an object of the invention to solve above-mentioned technical problem
Abrasive perforating staged fracturing perforating gun.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of coiled tubing abrasive perforating staged fracturing perforating gun, the tool body including inner hollow, the tool
Ontology is equipped with perforation nozzle and sand flushing nozzle, and the perforation nozzle is arranged radially on the peripheral wall of tool body, the sand washing
Nozzle is arranged diagonally downward on the peripheral wall of tool body, and the sand flushing nozzle is blocked using solvable wiper plug.Specifically, perforation
Nozzle perpendicular to tool body axis setting and without closure, the angled setting of the axis of sand flushing nozzle and tool body and
Nozzle is blocked by solvable wiper plug.
The beneficial effects of the present invention are: the present invention when sand plug, can lead to during coiled tubing abrasive perforating staged fracturing
It crosses sand flushing nozzle and sand setting more than packer rubber bucket is flushed out into pit shaft, realize that packer smoothly unseals, guarantee normal construction.This
The risk for avoiding sand plug bring packer that from cannot unsealing is invented, construction efficiency is improved, reduces construction risk.
Detailed description of the invention
Fig. 1 is conventional coiled tubing abrasive perforating staged fracturing pipe string schematic diagram；
The structural schematic diagram of coiled tubing abrasive perforating staged fracturing perforating gun Fig. 2 of the invention.
In figure: 1. coiled tubings 2. coiled tubing connectors, 3. are given up, 4. centralizers, 5. perforating guns, 6. packers, 7. machines
Tool locator, 8. seekers, 9. sand settings, 10 tool bodies, 11. perforation nozzles, 12. sand flushing nozzles, 13. solvable wiper plugs.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Conventional coiled tubing abrasive perforating staged fracturing pipe string mainly have coiled tubing 1, coiled tubing connector 2, give up 3,
Centralizer 4, perforating gun 5, packer 6, mechanical positioners 7 and seeker 8, as shown in Figure 1.Wherein existing perforating gun 5 can only hang down
D-axis is to perforation (direction of perforation is perpendicular to oil pipe axis), once there is sand plug in fracturing process, sand setting 9 is deposited in perforation
Between rifle nozzle and packer rubber bucket, sand setting can not be washed out by positive and negative circulation well cleanup, cause packer 6 that can not above propose solution
Envelope, pipe string can only be lost in shaft bottom, salvaged by giving up, and influence operating efficiency, increase operating cost.
New type nozzle of the invention includes: tool body 10, perforation nozzle 11, sand flushing nozzle 12 and solvable wiper plug 13,
As shown in Figure 2.Wherein perforation nozzle 11 is arranged radially on the peripheral wall of tool body 10, and sand flushing nozzle 12 is in tool body 10
It is arranged diagonally downward on peripheral wall, and the sand flushing nozzle 12 is blocked using solvable wiper plug 13.Perforation nozzle 11 is held when normal construction
Row perforating job, sand flushing nozzle are blocked by solvable wiper plug, are not had sand washing and are acted on, once sand plug, can infuse from coiled tubing
Enter appropriate cosolvent, by the dissolution rapidly of solvable wiper plug 13, sand flushing nozzle 12 may be implemented sand washing function, more than packer rubber bucket
Sand setting all flush out pit shaft, guarantee that packer smoothly unseals, guarantee normal construction.
In conclusion the contents of the present invention are not limited in the above embodiments, those skilled in the art can be
It is proposed other embodiments within technological guidance's thought of the invention, but these embodiments be included in the scope of the present invention it
It is interior.
Claims (1)
1. a kind of coiled tubing abrasive perforating staged fracturing perforating gun, it is characterised in that: the tool body including inner hollow
(10), the tool body (10) is equipped with perforation nozzle (11) and sand flushing nozzle (12), and the perforation nozzle (11) is in tool
It being arranged radially on the peripheral wall of ontology (10), the sand flushing nozzle (12) is arranged diagonally downward on the peripheral wall of tool body (10),
And the sand flushing nozzle (12) is blocked using solvable wiper plug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238697.0A CN109184631A (en) | 2018-10-23 | 2018-10-23 | Coiled tubing abrasive perforating staged fracturing perforating gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811238697.0A CN109184631A (en) | 2018-10-23 | 2018-10-23 | Coiled tubing abrasive perforating staged fracturing perforating gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109184631A true CN109184631A (en) | 2019-01-11 |
Family
ID=64943014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811238697.0A Pending CN109184631A (en) | 2018-10-23 | 2018-10-23 | Coiled tubing abrasive perforating staged fracturing perforating gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109184631A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012708A (en) * | 2019-05-29 | 2020-12-01 | 中国石油天然气股份有限公司 | Sand jam prevention soluble bridge plug fracturing process pipe column and construction method thereof |
| RU2759306C1 (en) * | 2021-02-08 | 2021-11-11 | Общество с ограниченной ответственностью "ИНТЕКС" | Lifting sub |
| US11773692B2 (en) * | 2018-10-18 | 2023-10-03 | Geodynamics, Inc. | Pulse based perf and wash system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2132458A1 (en) * | 1994-08-31 | 1996-03-01 | Barry Richard Hassen | Multi- port oilfield liner connector |
| CN101446187A (en) * | 2008-12-30 | 2009-06-03 | 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 | Twin packer hydro-jet fracturing technology |
| CN202690019U (en) * | 2012-07-20 | 2013-01-23 | 中国石油化工股份有限公司 | Sand blasting perforating gun |
| CN105041243A (en) * | 2015-07-14 | 2015-11-11 | 中国石油天然气股份有限公司 | Horizontal well concentric oil pipe continuous negative pressure sand pumping process pipe column |
| CA2937488A1 (en) * | 2015-07-30 | 2017-01-30 | David Cadrin | Sequential re-completions of horizontal wells in unconsolidated sand reservoirs to increase non-thermal primary heavy oil recovery |
| CN106703774A (en) * | 2015-11-18 | 2017-05-24 | 中国石油化工股份有限公司 | Drag hydraulic jet fracturing and ball casting slide bushing sand washing integrated operation device and method |
-
2018
- 2018-10-23 CN CN201811238697.0A patent/CN109184631A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2132458A1 (en) * | 1994-08-31 | 1996-03-01 | Barry Richard Hassen | Multi- port oilfield liner connector |
| CN101446187A (en) * | 2008-12-30 | 2009-06-03 | 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 | Twin packer hydro-jet fracturing technology |
| CN202690019U (en) * | 2012-07-20 | 2013-01-23 | 中国石油化工股份有限公司 | Sand blasting perforating gun |
| CN105041243A (en) * | 2015-07-14 | 2015-11-11 | 中国石油天然气股份有限公司 | Horizontal well concentric oil pipe continuous negative pressure sand pumping process pipe column |
| CA2937488A1 (en) * | 2015-07-30 | 2017-01-30 | David Cadrin | Sequential re-completions of horizontal wells in unconsolidated sand reservoirs to increase non-thermal primary heavy oil recovery |
| CN106703774A (en) * | 2015-11-18 | 2017-05-24 | 中国石油化工股份有限公司 | Drag hydraulic jet fracturing and ball casting slide bushing sand washing integrated operation device and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11773692B2 (en) * | 2018-10-18 | 2023-10-03 | Geodynamics, Inc. | Pulse based perf and wash system and method |
| CN112012708A (en) * | 2019-05-29 | 2020-12-01 | 中国石油天然气股份有限公司 | Sand jam prevention soluble bridge plug fracturing process pipe column and construction method thereof |
| RU2759306C1 (en) * | 2021-02-08 | 2021-11-11 | Общество с ограниченной ответственностью "ИНТЕКС" | Lifting sub |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190111 |
|
| WD01 | Invention patent application deemed withdrawn after publication |