CN104265251A - Nitrogen making induced flow device - Google Patents
Nitrogen making induced flow device Download PDFInfo
- Publication number
- CN104265251A CN104265251A CN201410474614.3A CN201410474614A CN104265251A CN 104265251 A CN104265251 A CN 104265251A CN 201410474614 A CN201410474614 A CN 201410474614A CN 104265251 A CN104265251 A CN 104265251A
- Authority
- CN
- China
- Prior art keywords
- induced flow
- flow device
- firing pin
- initiator
- igniting
- 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
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 28
- 238000010304 firing Methods 0.000 claims abstract description 13
- 239000003999 initiator Substances 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 abstract description 20
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 210000002445 nipple Anatomy 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003129 oil well Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 241000191291 Abies alba Species 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000035939 shock 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
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)
- Pipe Accessories (AREA)
Abstract
The invention discloses a nitrogen making induced flow device which mainly comprises an igniting head, a detonator, a detonating primer, a detonating cord, gas generators, a shell and an igniting bar. The igniting head is arranged at the top of the detonator, the detonator is connected with the detonating cord through the detonating primer, the shell is filled with the gas generators, the gas generators are connected with the detonating cord, the igniting head is a firing pin type igniting head, the igniting bar is thrown into an oil tube from an upper end port of the oil tube and falls along the oil tube, the igniting bar impacts the firing pin type igniting head, a firing pin of the firing pin type igniting head impacts the detonator, and the detonator is detonated. By the aid of the structural form, the nitrogen making induced flow device has the advantages of fewer induced flow operation devices, simple operation program, high efficiency, low cost, stability and reliability.
Description
Technical field
The present invention relates to a kind of induced flow device, specifically one makes nitrogen induced flow device.
Background technology
At present, offshore gas well first enters completion tubular column down usually, then carries out induced flow separately, and completion tubular column itself does not possess the function of induced flow.Offshore gas well induced flow adopts coiled tubing nitrogen injection induced flow technology usually.This technology needs to connect on offshore boring island to make nitrogen (liquid nitrogen) equipment and continuous oil pipe device, and implement is many, operation procedure is complicated, the activity duration is long, operating cost is high, there is larger risk simultaneously.In addition, narrow tube nitrogen induced flow technology and multistage gas lift tubing string induced flow technology is still had.Narrow tube nitrogen induced flow technology pluses and minuses are identical with coiled tubing nitrogen injection induced flow technology.Multistage gas lift tubing string induced flow technology is limited by the tightness problem of gas lift valve in long-term production process, and flexibility is simultaneously poor, and application is less at present.
The common problem that current gas well completion tubing string exists is that tubing string itself does not possess induced flow function, needs independent induced flow, and induced flow implement is many, operation procedure is complicated, efficiency is low, cost is high, risk is larger.
There is no the quick induced flow completion tubular column of gas well at present, is below the Patents retrieved.
It is CN201159066Y that State Intellectual Property Office discloses publication number on December 3rd, 2008, and patent name is the patent document of high-pressure oil-gas well test induced flow valve, is applicable to the negative pressure test jobs of various high-pressure oil-gas well.This patent comprises sealing test valve and spool fishery, and the body of fishing for of spool fishery is connected with the valve body of sealing test valve.Use this patent effectively can carry out induced flow to high-pressure oil-gas well, improve the test success rate of Oil/gas Well and can increase work efficiency.Construction is in time, easy to operate, only need by this patent with test string down in well, utilize cementing truck to suppress the operation that can complete and open this induced flow valve, reach the object of induced flow.
It is CN2351548Y that State Intellectual Property Office discloses publication number on December 1st, 1999, patent name is the patent document that nitrogen induced flow device is made in a kind of down-hole, this patent belongs to the downhole tool that oilfield uses, it comprises main body, packing, shear pin, inner sleeve, pipe nipple, overcoat, spring, lower contact composition, this patent is owing to have employed the structure of main body, inner sleeve, spring, it can produce enough negative pressure value near shaft bottom, by utilizing the energy induced flow oil well of well dynamic, improve oil production, reduce oil extraction in oil field cost, improve oilfield economic benefit.Its structure is simple, technique is simple, success rate is high.
It is CN102733787A that State Intellectual Property Office discloses publication number on October 17th, 2012, patent name is the Patent Application Publication of plug-in type coiled tubing induced flow device, present patent application document comprises outer tubing string, coiled tubing, coiled tubing injector, described coiled tubing is sent in outer tubing string by coiled tubing injector, location sealing cylinder seating nipple is provided with in described outer tubing string, the described periphery of location sealing cylinder seating nipple and the inner circumferential of outer tubing string are sealed and matched, the lower end of described coiled tubing is provided with insertion seal bar, insert seal bar and be provided with the through hole be communicated with coiled tubing vertically, when coiled tubing is sent into precalculated position in outer tubing string downwards by described coiled tubing injector, described insertion seal bar is inserted in seal operation cylinder, the insertion periphery of seal bar and the inner circumferential of location sealing cylinder seating nipple are sealed and matched.Formation water output when present patent application document can solve oil and gas well testing, major diameter tubing string takes the undesirable problem of liquid effect, also can carry out conventional gaslift induced flow, ask and produce and test, reach the object of one-trip string several functions.
Above-mentioned patent or Patent Application Publication different from the technical scheme of this patent.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, provide that a kind of induced flow implement is few, operation procedure is simple, efficiency is high, cost is low, reliable and stable makes nitrogen induced flow device.
For achieving the above object, the technical solution adopted in the present invention is:
Make nitrogen induced flow device, it is primarily of igniter head, initiator, detonating primer, detonating fuse, gas-forming agent and shell composition, and described igniter head is located at the top of initiator, and initiator is connected with detonating fuse by detonating primer, gas-forming agent is loaded in the enclosure, is connected with detonating fuse.
Described igniter head adopts firing pin type igniter head, also comprises fire rod, described fire rod, in order to drop into from the upper port of oil pipe in oil pipe and to fall along oil pipe, fire rod clashes into firing pin type igniter head, and the striker impact initiator of firing pin type igniter head, initiator is detonated.
Beneficial effect of the present invention: owing to adopting above-mentioned form of structure, this patent has the advantages that induced flow implement is few, operation procedure is simple, efficiency is high, cost is low, reliable and stable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is structural representation of the present invention;
Fig. 2 is for making the application example figure of nitrogen induced flow device in down-hole shown in Fig. 1.
In figure: 1, tubing hanger; 2, oil pipe; 3, storm valve; 4, sealing ring; 5, production packer; 6, location sealing is inserted; 7, blind pipe; 8, nitrogen induced flow device is made in down-hole; 9, oil well; 10, igniter head; 11, initiator; 12, detonating primer; 13, detonating fuse; 14, gas-forming agent; 15, shell; 16, fire rod; 17, sand control packer;
18, seating nipple.
Detailed description of the invention
As shown in Figure 1, 2, make nitrogen induced flow tubing string, it is made nitrogen induced flow device 8 primarily of tubing hanger 1, oil pipe 2, storm valve 3, production packer 5, insertion location sealing 6, blind pipe 7 and down-hole and forms, wherein, the upper end of described oil pipe 2 is hung in oil well 9 by tubing hanger 1, storm valve 3, production packer 5,
seating nipple 18be located on oil pipe 2 respectively, the lower end of oil pipe 2 is connected with blind pipe 7 by inserting location sealing 6, and described insertion location sealing 6 is fixed in the sealing drum of the sand control packer 17 in oil well 9, and down-hole is made nitrogen induced flow device 8 and is inserted in blind pipe 7.Sealing ring 4 is provided with between described insertion location sealing 6 and the sealing drum of sand control packer 17; Described sealing ring 4 is provided with two.
Described down-hole is made nitrogen induced flow device 8 and is formed primarily of igniter head 10, initiator 11, detonating primer 12, detonating fuse 13, gas-forming agent 14 and shell 15, described igniter head 10 is located at the top of initiator 11, initiator 11 is connected with detonating fuse 13 by detonating primer 12, gas-forming agent 14 is filled in shell 15, is connected with detonating fuse 13.
Described igniter head 10 adopts firing pin type igniter head, also comprises fire rod 16, described fire rod 16, in order to drop into from the upper port of oil pipe in oil pipe and to fall along oil pipe, fire rod clashes into firing pin type igniter head, and the striker impact initiator of firing pin type igniter head, initiator 11 is detonated.
Operating principle: make the quick induced flow completion tubular column of nitrogen gas well under certain gas well lower going-into-well, completion practice installs christmas tree, set test envelope production packer qualified after, open all valves making nitrogen induced flow device from christmas tree cap to down-hole, drop into fire rod from gas production treetop.Fire rod is made nitrogen induced flow device inner chamber accelerates shock excitation well make nitrogen induced flow device from tubing hanger, oil pipe, storm valve, pressure bomb, production packer, location sealing, seating nipple, down-hole, point of release duration and degree of heating striker, excites initiator to produce detonation.Detonation is delivered to gas-forming agent by detonating primer, detonating fuse, and excited gas propellant produces rapidly a large amount of nitrogen, and gas well is lured work, thus produces a large amount of nitrogen and realize gas well induced flow.
The above is the preferred embodiment of the present invention; certainly the interest field of the present invention can not be limited with this; should be understood that; for those skilled in the art; technical scheme of the present invention is modified or equivalent replacement, do not depart from the protection domain of technical solution of the present invention.
Claims (2)
1. make nitrogen induced flow device for one kind, it is characterized in that: described in make nitrogen induced flow device and form primarily of igniter head, initiator, detonating primer, detonating fuse, gas-forming agent and shell, described igniter head is located at the top of initiator, initiator is connected with detonating fuse by detonating primer, gas-forming agent is loaded in the enclosure, is connected with detonating fuse.
2. according to claim 1ly make nitrogen induced flow device, it is characterized in that: described igniter head adopts firing pin type igniter head, also comprise fire rod, described fire rod, in order to drop into from the upper port of oil pipe in oil pipe and to fall along oil pipe, fire rod clashes into firing pin type igniter head, and the striker impact initiator of firing pin type igniter head, initiator is detonated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474614.3A CN104265251A (en) | 2014-09-17 | 2014-09-17 | Nitrogen making induced flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474614.3A CN104265251A (en) | 2014-09-17 | 2014-09-17 | Nitrogen making induced flow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104265251A true CN104265251A (en) | 2015-01-07 |
Family
ID=52156809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410474614.3A Pending CN104265251A (en) | 2014-09-17 | 2014-09-17 | Nitrogen making induced flow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790916A (en) * | 2015-04-24 | 2015-07-22 | 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 | Method for removing gas well accumulated liquid by means of oil jacket pressure balancing method |
| CN110761748A (en) * | 2018-04-02 | 2020-02-07 | 刘玉友 | Ball-throwing type pump-free exploitation device for oil field |
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|---|---|---|---|---|
| CN2570117Y (en) * | 2002-08-14 | 2003-09-03 | 傅丹人 | Electric ignition type fast gas generating booster |
| CN2630492Y (en) * | 2003-06-18 | 2004-08-04 | 西安石油学院 | Perforation-strong overpressure balance symmetric fracturing device |
| CN2687122Y (en) * | 2003-07-31 | 2005-03-23 | 山东银光化工股份有限公司 | Piston primer detonator |
| CN201399178Y (en) * | 2009-01-14 | 2010-02-10 | 南京理工大学 | Kinetic energy-type firing tube for fire-fighting |
| CN101791461A (en) * | 2010-03-17 | 2010-08-04 | 哈尔滨工程大学 | Fire extinguishing bomb dispersing with gas generating agent |
| US7770634B2 (en) * | 2007-11-01 | 2010-08-10 | Development & Research Center Of Tuha Petroleum Exploration & Development Corporation | Gas lift apparatus for flushing and snubbing well |
| US7784548B2 (en) * | 2008-04-23 | 2010-08-31 | Conocophillips Company | Smart compressed chamber well optimization system |
| CN103244096A (en) * | 2013-05-22 | 2013-08-14 | 西安石油大学 | Device and method for closed pulse loading fracture relaxation crustal stress of gas layer |
| CN103982168A (en) * | 2014-04-21 | 2014-08-13 | 中北大学 | Underground multi-stage intelligent high pressure gas pulse formation fracturing device and method thereof |
| CN204140036U (en) * | 2014-09-17 | 2015-02-04 | 中国海洋石油总公司 | Make nitrogen induced flow device |
-
2014
- 2014-09-17 CN CN201410474614.3A patent/CN104265251A/en active Pending
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|---|---|---|---|---|
| CN2570117Y (en) * | 2002-08-14 | 2003-09-03 | 傅丹人 | Electric ignition type fast gas generating booster |
| CN2630492Y (en) * | 2003-06-18 | 2004-08-04 | 西安石油学院 | Perforation-strong overpressure balance symmetric fracturing device |
| CN2687122Y (en) * | 2003-07-31 | 2005-03-23 | 山东银光化工股份有限公司 | Piston primer detonator |
| US7770634B2 (en) * | 2007-11-01 | 2010-08-10 | Development & Research Center Of Tuha Petroleum Exploration & Development Corporation | Gas lift apparatus for flushing and snubbing well |
| US7784548B2 (en) * | 2008-04-23 | 2010-08-31 | Conocophillips Company | Smart compressed chamber well optimization system |
| CN201399178Y (en) * | 2009-01-14 | 2010-02-10 | 南京理工大学 | Kinetic energy-type firing tube for fire-fighting |
| CN101791461A (en) * | 2010-03-17 | 2010-08-04 | 哈尔滨工程大学 | Fire extinguishing bomb dispersing with gas generating agent |
| CN103244096A (en) * | 2013-05-22 | 2013-08-14 | 西安石油大学 | Device and method for closed pulse loading fracture relaxation crustal stress of gas layer |
| CN103982168A (en) * | 2014-04-21 | 2014-08-13 | 中北大学 | Underground multi-stage intelligent high pressure gas pulse formation fracturing device and method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790916A (en) * | 2015-04-24 | 2015-07-22 | 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 | Method for removing gas well accumulated liquid by means of oil jacket pressure balancing method |
| CN104790916B (en) * | 2015-04-24 | 2017-04-19 | 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 | Method for removing gas well accumulated liquid by means of oil jacket pressure balancing method |
| CN110761748A (en) * | 2018-04-02 | 2020-02-07 | 刘玉友 | Ball-throwing type pump-free exploitation device for oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |