WO2007108716A1 - Dispositif à jets de puits de forage et procédé d'exploitation de ce dispositif - Google Patents
Dispositif à jets de puits de forage et procédé d'exploitation de ce dispositif Download PDFInfo
- Publication number
- WO2007108716A1 WO2007108716A1 PCT/RU2006/000632 RU2006000632W WO2007108716A1 WO 2007108716 A1 WO2007108716 A1 WO 2007108716A1 RU 2006000632 W RU2006000632 W RU 2006000632W WO 2007108716 A1 WO2007108716 A1 WO 2007108716A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channel
- jet pump
- liner
- well
- support sleeve
- Prior art date
Links
- 238000011017 operating method Methods 0.000 title 1
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 33
- 230000015572 biosynthetic process Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004078 waterproofing Methods 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000005755 formation reaction Methods 0.000 description 24
- 238000012545 processing Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/464—Arrangements of nozzles with inversion of the direction of flow
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/084—Obtaining fluid samples or testing fluids, in boreholes or wells with means for conveying samples through pipe to surface
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
Definitions
- the invention relates to the field of pumping technology, mainly to downhole jet installations for testing oil and gas wells and the method of their operation.
- a well-known inkjet installation includes a geophysical instrument installed in a well on a tubing string and located below a jet pump in a tubing string (RU 2059891 Cl).
- a method for operating a downhole jet installation namely, the active medium is fed through a pipe string into the nozzle of the jet pump, which, flowing out of it, entrains the pumped liquid medium into the mixing chamber, from the latter a mixture of media is sent to a diffuser, where the kinematic energy of the flow is partially converted into potential energy, and a mixture of media is supplied to the consumer from the diffuser along the annular space of the pipe string, while the physical parameters of the pumped medium and the reservoir (pressure (density, gas saturation, solid phase content, temperature, flow rate, flow rate, etc.) at the pump inlet are measured using a device including emitters and transducers of physical fields, and transmitted via cable to the surface, changing the flow rate and pressure of the active medium carry out the necessary measurements and select the optimal operating mode of the jet pump, and, if necessary, process the pumped medium and the reservoir (heating, ultrasonic crushing of the mud, etc.) using emitters of physical fields.
- the well-known installation and method of its operation allow pumping out various produced media, for example oil, from a well, while processing and researching the produced medium and the near-wellbore zone of the formation.
- this installation does not provide for the operative replacement of the nozzle without lifting the tubing string to the surface.
- a downhole jet installation comprising a casing in which bypass windows are made and an insert with a jet pump, wherein the passage has a passage, an active medium supply channel to the jet pump nozzle, and a supply channel to the jet pump of the pumped-out medium, which is in communication with the passage channel, and the output channel, and above the channel for supplying the pumped-off medium in the passage channel, a seat is made on which the sealing node, and in the latter an axial channel is made with the possibility of passing through it and a channel for supplying a pumped medium of a cable or wire for installation of downhole tools and equipment on them in the well below the jet pump with the possibility of moving them along the wellbore with an operating or non-working jet pump, the output the channel is in communication with the internal cavity of the housing above the jet pump, and on the liner installed sealing elements (US 2004/0071557 Al).
- a well-known method of operating a well jet device which consists in lowering a pipe string with a packer and a housing into the well and placing the packer above the reservoir, putting the packer in working position, separating the borehole space surrounding the pipe string, and lowering it into the string on the cable pipes, the liner with the jet pump and the sealing unit and the instruments and equipment placed below the liner on the cable are fixed in the housing by the liner with the jet pump by means of a locking mechanism into the surrounding well, the annular space is pumped into the active medium by the pipe, which is formed at the outlet of the nozzle into a stable jet, entraining its environment into the jet pump, which causes a decrease in pressure, first in the supply channel of the pumped medium, and then in the sub-packer space of the well, creating a depression on the reservoir , the mixture of media due to the energy of the working medium flows through the pipe string from the well to the surface, and during the pumping-out of the formation medium, the equipment and devices installed
- this installation does not allow full use of its capabilities, which is associated with the limited design capabilities of the downhole jet installation at conducting studies of productive formations in the well, as well as when injecting acidic solutions and fracturing fluids into the formation.
- the problem to which the present invention is directed is to expand the technological capabilities of a downhole jet installation when conducting various kinds of research and other work in a well using it.
- the technical result achieved by the implementation of the invention is to reduce the time for research, repair and development of wells, as well as increasing the reliability of the information obtained on the physical properties of the reservoir.
- the downhole jet installation contains a housing in which bypass windows are made, and a liner with a jet pump, while in the liner there is a passage channel, a channel for supplying an active medium to the nozzle of the jet pump , a channel for supplying a pumped-out medium to the jet pump, which is in communication with the passage channel, and an output channel, and a seat on which the sealant is installed above the channel for supplying a pumped medium in the passage channel and the latter has an axial channel with the possibility of passing through it and the passage channel of a cable or wire for installation on them in the well below the jet pump of downhole tools and equipment with the possibility of moving them along the wellbore with a working or non-working jet pump, the output channel is communicated with annulus of the well, and on sealing elements are installed in the insert, and an axially movable support sleeve is installed, spring-loaded relative to the housing, and an insert with
- the method of operation of the downhole jet installation consists in lowering the casing with the bypass windows and the spring loaded support sleeve with bypass openings installed in it, into the well of pipes, moreover, the casing bypass windows are blocked by the wall of the support sleeve, which, under the action of the spring, is in its upper position, on the cable or wire they lower the liner with the jet pump into the well, when ohm cable or wire is previously passed through the axial passage of the sealing assembly, and passing through the liner, a seal assembly is mounted on the seat in b the passage channel, downhole tools and equipment are connected to the lower end of the cable or wire, for example, a logging tool for recording the profile of formation fluid inflow, then a liner with a jet pump and a sealing assembly is installed on the seat of the support sleeve, and downhole instruments and equipment are placed using a cable or wire at a predetermined depth in the well below
- the specified problem in terms of the method is solved, and the technical result is achieved due to the fact that after removing the liner with the jet pump through the pipe string, an acid solution or hydraulic fracturing fluid can be pumped into the under-packer space.
- the specified problem in the part of the method is solved, and the technical result is achieved due to the fact that after removing the liner with the jet pump to the surface through the pipe string and body, a flexible pipe can be passed into the bottom of the well to clean the bottom of the well and boreholes the formation zone from proppant, sand and other pollutants, after which grouting materials are pumped into the well through a flexible pipe for waterproofing or the installation of cement bridges.
- FIG. 1 shows a longitudinal section of the installation with a housing and a support sleeve.
- Figure 2 presents a longitudinal section of the installation with the liner installed in the supporting sleeve.
- FIG.3 shows a longitudinal section of the installation with a removed liner and a flexible pipe passed through the pipe string and body.
- the proposed downhole jet installation includes a housing 1, in which overflow windows 2 are made, and a liner 3 with a jet pump 4.
- a passage 5 is made, a channel 6 for supplying an active medium to the nozzle 7 of the jet pump 4, and a channel 8 for supplying to the jet pump 4 the pumped medium, which is in communication with the passage channel 5, and the output channel 9.
- a seat 10 is made on which the sealing assembly 11 is installed, and in the latter the axial channel 12 is made with the possibility of skipping Through it and the passage channel 5 of the cable or wire 13 for installation on them in the well below the jet pump 4 downhole tools and equipment 14 with the possibility of moving them along the wellbore with a working or idle jet pump 4.
- the output channel 9 is in communication with the annulus of the well, and the liner 3 has sealing elements 15.
- an axially movable support sleeve 16 is mounted, spring-loaded relative to the housing 1, and a insert 17 is installed on the seat 17 made in the support sleeve breathing 3 with a jet pump 4, and the supporting sleeve 16 is made with bypass holes 18 in its wall.
- An annular bore 19 is made in the housing 1, limiting its ends to the movement of the support sleeve 16, while in the lower position of the support sleeve 16, the output channel 9 communicates with the space surrounding the housing 1 through the bypass holes 18 and the bypass windows 2, and in the upper position the bypass windows 2 of the housing 1 blocked support sleeve wall 16.
- the support sleeve 16 On the support sleeve 16 above and below the bypass holes 18, additional sealing elements 20 are installed.
- the support sleeve 16 is spring-loaded by means of a spring 21.
- the proposed method for operating a downhole jet installation is as follows.
- the housing 1 On the pipe string 22, the housing 1 is lowered into the well 1 with bypass windows 2 made therein and a spring-loaded support sleeve 16 installed therein with bypass holes 18, and the bypass windows 2 of the housing 1 are covered by a wall of the support sleeve 16, which, under the action of the spring 21, is located in its upper position.
- the liner 3 with the jet pump 4 On the cable or wire 13, the liner 3 with the jet pump 4 is lowered into the well, while previously the cable or wire 13 is passed through the axial channel 12 of the sealing assembly 11, and also through the passage channel 5 of the insert 3.
- the sealing assembly 11 is installed on the seat 10 in the passage channel 5.
- an active medium such as water, saline or oil
- an active medium such as water, saline or oil
- the spring loaded support sleeve 16 is moved together with the liner 3 with the jet pump 4 down to the stop, thus combining the bypass holes 18 of the sleeve 16 with the bypass windows 2 of the housing 1, and through the active feed channel b the medium feeds the active medium into the nozzle 7 of the jet pump 4 with the formation of a stable jet at the outlet of the nozzle 7, which, flowing out of the nozzle 7, causes a decrease in pressure, first in the channel 8 for supplying the pumped medium, and then in the inner cavity of the pipe string 22 below the housing 1 jet pump 4, creating a depression in the well on the reservoir and dragging the formation medium pumped out of the well into the jet pump 4.
- an active medium such as water, saline or oil
- the parameters of the pumped-out formation medium and the physical parameters of the productive formation along the wellbore are monitored, as well as perforation of the formations in a depression mode, selective acoustic impact on the formation and deep sampling at a bottomhole pressure controlled by a jet pump 4.
- the flow of the active medium is stopped and thereby the supporting sleeve 16 with the liner 3 is moved to the upper position under the action of the spring 21 and the inner cavity of the pipe string 22 is isolated from the annulus, after which the liner 3 is removed to the surface from the housing 1 by the cable or wire 13 with a jet pump 4, downhole tools and equipment 14.
- an acid solution or hydraulic fracturing fluid is pumped into the under-packer space of the well 22.
- a flexible pipe 23 is passed into the bottom of the well to clean the proppant, sand and other well bottom and borehole zone of the formation pollutants, and then through a flexible pipe 23, cementing materials are pumped into the well for waterproofing or the installation of cement bridges.
- the present invention can be used in the oil and gas industry in the development of wells after drilling or in their underground repair in order to intensify the flow of hydrocarbons, or increase the injectivity of injection wells.
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Jet Pumps And Other Pumps (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA200801922A EA013963B1 (ru) | 2006-03-22 | 2006-11-28 | Скважинная струйная установка и способ ее работы |
CA2644571A CA2644571C (en) | 2006-03-22 | 2006-11-28 | Well jet device and the operating method thereof |
US12/279,822 US7743854B2 (en) | 2006-03-22 | 2006-11-28 | Well jet device and the operating method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2006108887 | 2006-03-22 | ||
RU2006108887/06A RU2303172C1 (ru) | 2006-03-22 | 2006-03-22 | Скважинная струйная установка эмпи-угис-(21-30)к и способ ее работы |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007108716A1 true WO2007108716A1 (fr) | 2007-09-27 |
Family
ID=38431156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2006/000632 WO2007108716A1 (fr) | 2006-03-22 | 2006-11-28 | Dispositif à jets de puits de forage et procédé d'exploitation de ce dispositif |
Country Status (5)
Country | Link |
---|---|
US (1) | US7743854B2 (ru) |
CA (1) | CA2644571C (ru) |
EA (1) | EA013963B1 (ru) |
RU (1) | RU2303172C1 (ru) |
WO (1) | WO2007108716A1 (ru) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2287095C1 (ru) * | 2005-09-20 | 2006-11-10 | Зиновий Дмитриевич Хоминец | Скважинная струйная установка эмпи-угис-(31-40)г и способ ее работы |
RU2287723C1 (ru) * | 2005-11-25 | 2006-11-20 | Зиновий Дмитриевич Хоминец | Скважинная струйная установка эмпи-угис-(1-10)к и способ ее работы |
RU2483200C1 (ru) * | 2011-12-21 | 2013-05-27 | Рустэм Наифович Камалов | Способ гидродинамического воздействия на призабойную зону пласта |
RU2485299C1 (ru) * | 2011-12-21 | 2013-06-20 | Рустэм Наифович Камалов | Способ обработки призабойной зоны пласта и скважинная установка для его осуществления |
US9394777B2 (en) * | 2012-12-07 | 2016-07-19 | CNPC USA Corp. | Pressure controlled multi-shift frac sleeve system |
CA2994660C (en) * | 2015-08-06 | 2022-12-06 | Ventora Technologies Ag | Method and device for sonochemical treatment of well and reservoir |
CN106774140B (zh) * | 2017-02-24 | 2022-01-25 | 郑州煤机智能工作面科技有限公司 | 一种油田抽油机节能控制方法及控制系统 |
US10450813B2 (en) | 2017-08-25 | 2019-10-22 | Salavat Anatolyevich Kuzyaev | Hydraulic fraction down-hole system with circulation port and jet pump for removal of residual fracking fluid |
CN111119836A (zh) * | 2018-10-29 | 2020-05-08 | 中国石油化工股份有限公司 | 一种产液剖面测试管柱和方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2059891C1 (ru) * | 1989-06-14 | 1996-05-10 | Зиновий Дмитриевич Хоминец | Скважинная струйная установка |
US20040071557A1 (en) * | 2001-04-05 | 2004-04-15 | Khomynets Zinoviy Dmitrievich | Well jet device |
RU2246049C1 (ru) * | 2003-12-19 | 2005-02-10 | Зиновий Дмитриевич Хоминец | Скважинная установка для работы в горизонтальных скважинах и способ ее работы |
GB2410044A (en) * | 2004-01-15 | 2005-07-20 | Schlumberger Holdings | Combined jet pump and safety valve unit for simple deployment and retrieval |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2287095C1 (ru) * | 2005-09-20 | 2006-11-10 | Зиновий Дмитриевич Хоминец | Скважинная струйная установка эмпи-угис-(31-40)г и способ ее работы |
-
2006
- 2006-03-22 RU RU2006108887/06A patent/RU2303172C1/ru not_active IP Right Cessation
- 2006-11-28 EA EA200801922A patent/EA013963B1/ru not_active IP Right Cessation
- 2006-11-28 US US12/279,822 patent/US7743854B2/en not_active Expired - Fee Related
- 2006-11-28 CA CA2644571A patent/CA2644571C/en not_active Expired - Fee Related
- 2006-11-28 WO PCT/RU2006/000632 patent/WO2007108716A1/ru active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2059891C1 (ru) * | 1989-06-14 | 1996-05-10 | Зиновий Дмитриевич Хоминец | Скважинная струйная установка |
US20040071557A1 (en) * | 2001-04-05 | 2004-04-15 | Khomynets Zinoviy Dmitrievich | Well jet device |
RU2246049C1 (ru) * | 2003-12-19 | 2005-02-10 | Зиновий Дмитриевич Хоминец | Скважинная установка для работы в горизонтальных скважинах и способ ее работы |
GB2410044A (en) * | 2004-01-15 | 2005-07-20 | Schlumberger Holdings | Combined jet pump and safety valve unit for simple deployment and retrieval |
Also Published As
Publication number | Publication date |
---|---|
RU2303172C1 (ru) | 2007-07-20 |
CA2644571A1 (en) | 2007-09-27 |
EA013963B1 (ru) | 2010-08-30 |
CA2644571C (en) | 2011-09-27 |
US7743854B2 (en) | 2010-06-29 |
EA200801922A1 (ru) | 2009-02-27 |
US20080314595A1 (en) | 2008-12-25 |
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