CN101078339A - Multiple tubular pile type bar-free gas-production oil-production method and device - Google Patents
Multiple tubular pile type bar-free gas-production oil-production method and device Download PDFInfo
- Publication number
- CN101078339A CN101078339A CN 200710015088 CN200710015088A CN101078339A CN 101078339 A CN101078339 A CN 101078339A CN 200710015088 CN200710015088 CN 200710015088 CN 200710015088 A CN200710015088 A CN 200710015088A CN 101078339 A CN101078339 A CN 101078339A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas
- production
- well
- injection device
- 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
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a compound pipe-column no-rod gas and oil production method, comprising gas and oil are produced from the deep well. Gas and oil production from the deep well is carried out by adopting gas injection device and compound pipe-column, namely in gas production by gas injection device gas is injected in the compound pipe-column in well from the well head; waterlogging in well is discharged from the compound pipe-column; natural gas in well is exploited from the oil casing annular; in oil production oil water is discharged from the oil and water compound pipe-column. The compound pipe-column no-rod gas and oil production device comprises gas injection device and oil and water production compound pipe-column the oil and water production compound pipe-column comprises outer oil pipe and inner oil pipe set in the sleeve pipe of oil well. Unidirectional valve is set at the lower end of inner oil pipe and the upper end is the outlet of oil water. Unidirectional valve is set at the lower end of outer oil pipe and the upper end is connected with the gas injection device. The gas injection device comprises electromagnetic switch connected on the outer oil pipe, electromagnetic relief valve, compressor, energy accumulator and air storing tank connected with the compressor and the electromagnetic relief valve.
Description
One, technical field
The present invention relates to the method and apparatus of producing oil, gas, water from well, particularly a kind of multiple tubular pile type bar-free gas-production oil-production method and device.
Two, background technology
Traditional gas-production oil-production method and equipment are mainly traditional down-hole string and deep well pump, electric submersible pump, screw pump, these oil extraction pumps all are that the exploitation of oil gas water is made or made and contributing, but they also exist separately shortcoming or deficiency simultaneously: 1. cavitation easily takes place in deep well pump in gas well, and the eccentric wear between the pipe bar, efficient is low, energy loss is big, if side-abrasion of rod string is more outstanding when using on inclined shaft, then can't use on horizontal well; 2. electric submersible pump to the cable and the easy frayed equivalent damage of pump in shaft bottom, in case impaired termination of pumping is difficult to repeated priming, must operation descend pump just can start down again, and task difficulty is big, the expense height.In addition, when running into stratum feed flow deficiency, easily produce heat, burn out the accident of parts such as impeller, guide wheel; 3. Starting mode also exists and same or analogous shortcoming of electric submersible pump or deficiency under the screw bolt well; When 4. pit shaft water liquid level is high, will push down gas, make the gas production inefficiency, even adopt to hold one's breath and, cause operation frequent, cost of production raises.
Three, summary of the invention
The purpose of this invention is to provide a kind of multiple tubular pile type bar-free gas-production oil-production method, adopt gas injection device, water pumping gas production or pressure crude-oil production, overcome effectively or the shortcoming avoiding existing in the above-mentioned prior art or not enough and improve gas-production oil-production efficient effectively.
Multiple tubular pile type bar-free gas-production oil-production method of the present invention, comprise gas-production oil-production from deep-well, described from deep-well gas-production oil-production adopt gas injection device and oil recovery to adopt the water combined string to carry out, that is to say it is in well, to adopt injecting gas the water combined string by gas injection device from well head, ponding in the well is discharged from adopting in the water combined string, natural gas extraction in the tubing and casing annular space in the well, during oil recovery, profit is adopted extraction the water combined string from oil recovery.
Wherein, described well head gas injection device is adopted the water combined string is adopted in the gas injection in the water combined string certainly for the gas injection at intermittence outer oil pipe and the injection of the annular space between the inner oil tube in well.It is described that what inject in well is air, nitrogen or other non-combustion-supporting gas.
Another object of the present invention provides a kind of multiple tubular pile type bar-free gas-production oil-production device, adopts gas injection device and oil recovery gas production combined string, and the shortcoming or the deficiency that overcome effectively or avoid existing in the above-mentioned prior art improve gas production efficient effectively.
Multiple tubular pile type bar-free gas-production oil-production device of the present invention, comprise gas injection device, adopt water combined string and one way valve, described oil recovery is adopted the water combined string and is comprised outer oil pipe and the inner oil tube that is lowered in the oil well casing, this inner oil tube lower end is equipped with one way valve, the upper end is the profit outlet, outer oil pipe lower end is equipped with one way valve, and the upper end is connected with gas injection device; Described gas injection device comprises electromagnetic switch, electromagnetic relief valve, compressor, accumulator that is connected on the outer oil pipe and the gas reservoir that is connected with electromagnetic relief valve with compressor.
Wherein, be connected with extension under the one way valve of described inner oil tube lower end.The diameter of described extension is less than the diameter of inner oil tube.
The present invention has following advantage compared with prior art:
1, owing to adopt the gas injection oil production method, get rid of pit shaft ponding, gas production, oil production increase the efficient height.
2, adopt gas injection device and combined string to adopt water, oil pipe oil extraction draining, the poor efficiency of oil well pump, highly energy-consuming problem are avoided in the sleeve pipe gas production.
3, adopt no bar multiple tubular pile type oil recovery gas producing device, the use of having omitted sucker rod has solved oil-water well eccentric wear problem.
4, accident rate is low, and the production cycle is long, and cost of production is low.
5, use extensively, not only can on straight well, use, and on inclined shaft and horizontal well, use.
6, simplification instrument, operation, safety factor height, energy conservation.
Four, description of drawings
Accompanying drawing is a kind of structural representation of apparatus of the present invention.
Five, the specific embodiment
A kind of multiple tubular pile type bar-free gas-production oil-production method, comprise gas-production oil-production from deep-well, gas-production oil-production adopts gas injection device and oil recovery to adopt the water combined string to carry out from deep-well, that is to say it is in well, to adopt injecting gas the water combined string by gas injection device from well head, ponding in the well is discharged from adopting in the water combined string, natural gas extraction in the tubing and casing annular space in the well, during oil recovery, profit is adopted extraction the water combined string from oil recovery.
The gas injection that the well head gas injection device is adopted in well in the water combined string is injected from the outer oil pipe of adopting the water combined string and the annular space between the inner oil tube for the gas injection at intermittence.What inject in well is air, nitrogen or other non-combustion-supporting gas.
Consult accompanying drawing, a kind of multiple tubular pile type bar-free gas-production oil-production device, comprise gas injection device, adopt water combined string and one way valve, oil recovery is adopted the water combined string and is comprised outer oil pipe 9 and the inner oil tube 8 that is lowered in the oil well casing 7, this inner oil tube lower end is equipped with one way valve 15, the upper end is profit outlet 5, and outer oil pipe 9 lower ends are equipped with one way valve 15, and the upper end is connected with gas injection device; Gas injection device comprises electromagnetic switch 14, electromagnetic relief valve 4, compressor 2, accumulator 1 that is connected on the outer oil pipe 9 and the gas reservoir 3 that is connected with electromagnetic relief valve 4 with compressor 2.
The one way valve of inner oil tube 8 lower ends is connected with extension 10 15 times.The diameter of extension 10 is less than the diameter of inner oil tube 8.Sleeve pipe 7 lower ends are artificial bottom of a well 13.
During operation, stratum gas 11 from the tubing and casing annular space through 6 extraction of gas production mouth; Stratum oil and water 12 through the one way valve of outer oil pipe 9 lower ends, enter the combined string annular space, gas injects the annular space of inner oil tubes 8 and outer oil pipe 9 by compressor and accumulator 1 and electromagnetic switch 14.Form the closed check valve of high pressure,, will enter the stratum oil and water of combined string annular space, discharge by profit outlet 5 with the one-way valve opens of extension 10 and inner oil tube lower end with outer oil pipe 9 lower ends; After stratum oil and water is got rid of by the amount of certain liquid height, electromagnetic switch is closed, electromagnetic relief valve is opened, gas in the combined string is drained into gas reservoir naturally, pressure by fluid column makes the inner oil tube closed check valve simultaneously, make outer oil pipe one-way valve opens by strata pressure, stratum oil and water enters the combined string annular space once more, forms a working cycles thus.
Claims (6)
1, a kind of multiple tubular pile type bar-free gas-production oil-production method, comprise gas-production oil-production from deep-well, it is characterized in that described from deep-well gas-production oil-production adopt gas injection device and oil recovery to adopt the water combined string to carry out, that is to say it is in well, to adopt injecting gas the water combined string by gas injection device from well head, ponding in the well is discharged from adopting in the water combined string, natural gas extraction in the tubing and casing annular space in the well, during oil recovery, profit is adopted extraction the water combined string from oil recovery.
2, multiple tubular pile type bar-free gas-production oil-production method according to claim 1 is characterized in that the gas injection that described well head gas injection device is adopted in the water combined string is intermittently white outer oil pipe and the injection of the annular space between the inner oil tube of adopting the water combined string of gas injection in well.
3, multiple tubular pile type bar-free gas-production oil-production method according to claim 1 is characterized in that described what inject is air, nitrogen or other non-combustion-supporting gas in well.
4, a kind of multiple tubular pile type bar-free gas-production oil-production device, comprise gas injection device, adopt water combined string and one way valve, it is characterized in that described oil recovery adopts the water combined string and comprise outer oil pipe and the inner oil tube that is lowered in the oil well casing, this inner oil tube lower end is equipped with one way valve, the upper end is the profit outlet, outer oil pipe lower end is equipped with one way valve, and the upper end is connected with gas injection device; Described gas injection device comprises electromagnetic switch, electromagnetic relief valve, compressor, accumulator that is connected on the outer oil pipe and the gas reservoir that is connected with electromagnetic relief valve with compressor.
5, multiple tubular pile type bar-free gas-production oil-production device according to claim 4 is characterized in that being connected with extension under the one way valve of described inner oil tube lower end.
6, multiple tubular pile type bar-free gas-production oil-production device according to claim 5 is characterized in that the diameter of the diameter of described extension less than inner oil tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710015088 CN101078339A (en) | 2007-06-29 | 2007-06-29 | Multiple tubular pile type bar-free gas-production oil-production method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710015088 CN101078339A (en) | 2007-06-29 | 2007-06-29 | Multiple tubular pile type bar-free gas-production oil-production method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101078339A true CN101078339A (en) | 2007-11-28 |
Family
ID=38905972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710015088 Pending CN101078339A (en) | 2007-06-29 | 2007-06-29 | Multiple tubular pile type bar-free gas-production oil-production method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101078339A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265796B (en) * | 2008-04-24 | 2011-05-11 | 中国海洋石油总公司 | Same well dual-pumping system |
| CN104595722A (en) * | 2014-12-30 | 2015-05-06 | 成都烃源科技有限责任公司 | DME (Dimethyl Ether) normal-temperature-modification transporting process for thick oil |
| WO2017075943A1 (en) * | 2015-11-02 | 2017-05-11 | 申茂和 | Device and method for water drainage and gas production by pressure control and gas lift |
| CN107558966A (en) * | 2017-10-30 | 2018-01-09 | 山东威马泵业股份有限公司 | A kind of hypotonic stripper well more wells linkage gas-drive oil-production apparatus |
| CN110344789A (en) * | 2019-06-28 | 2019-10-18 | 西南石油大学 | One kind being suitable for offshore oilfield intelligence separate zone production device and control system |
| CN114922595A (en) * | 2022-05-09 | 2022-08-19 | 中国地质大学（北京） | Oil extraction method and oil extraction system thereof |
| CN114934762A (en) * | 2022-05-09 | 2022-08-23 | 中国地质大学（北京） | Heavy oil reservoir oil production method and oil production system thereof |
-
2007
- 2007-06-29 CN CN 200710015088 patent/CN101078339A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265796B (en) * | 2008-04-24 | 2011-05-11 | 中国海洋石油总公司 | Same well dual-pumping system |
| CN104595722A (en) * | 2014-12-30 | 2015-05-06 | 成都烃源科技有限责任公司 | DME (Dimethyl Ether) normal-temperature-modification transporting process for thick oil |
| US10883350B2 (en) | 2015-11-02 | 2021-01-05 | Maohe SHEN | Device and method for water drainage and gas production by pressure control and gas lift |
| WO2017075943A1 (en) * | 2015-11-02 | 2017-05-11 | 申茂和 | Device and method for water drainage and gas production by pressure control and gas lift |
| CN107558966A (en) * | 2017-10-30 | 2018-01-09 | 山东威马泵业股份有限公司 | A kind of hypotonic stripper well more wells linkage gas-drive oil-production apparatus |
| CN113605865A (en) * | 2019-06-28 | 2021-11-05 | 周静 | Control system suitable for offshore oil field intelligence layering exploitation device |
| CN110344789A (en) * | 2019-06-28 | 2019-10-18 | 西南石油大学 | One kind being suitable for offshore oilfield intelligence separate zone production device and control system |
| CN113605864A (en) * | 2019-06-28 | 2021-11-05 | 周静 | Be applicable to offshore oil field intelligence layering mining devices |
| CN110344789B (en) * | 2019-06-28 | 2021-12-21 | 周静 | Intelligent layered mining device and control system suitable for offshore oil field |
| CN113605864B (en) * | 2019-06-28 | 2023-09-12 | 周静 | Intelligent layered mining device suitable for offshore oil field |
| CN113605865B (en) * | 2019-06-28 | 2024-07-19 | 北京中科洪安科技有限公司 | Control system suitable for offshore oilfield intelligent layered mining device |
| CN114922595A (en) * | 2022-05-09 | 2022-08-19 | 中国地质大学（北京） | Oil extraction method and oil extraction system thereof |
| CN114934762A (en) * | 2022-05-09 | 2022-08-23 | 中国地质大学（北京） | Heavy oil reservoir oil production method and oil production system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101078339A (en) | Multiple tubular pile type bar-free gas-production oil-production method and device | |
| US6672392B2 (en) | Gas recovery apparatus, method and cycle having a three chamber evacuation phase for improved natural gas production and down-hole liquid management | |
| CN201412129Y (en) | Gas recovery well machine liquid pumping and drainage gas recovery device | |
| CN201843600U (en) | SAGD mechanical lifting circulating preheating equipment | |
| CN1648406A (en) | Ground injecting gas boosting oil production and liquid discharging gas producing device and method | |
| CN104061142A (en) | Hydraulically-driven oil well pump and oil recovery device | |
| CN110939426B (en) | Centrifugal separation mechanism and co-well injection and production device using same | |
| CN207813596U (en) | Note adopts integral oil suction pump and note adopts integral tubular column | |
| CN100346053C (en) | Automatic boosting oil production and liquid discharge gas producing device and method for underwell gas | |
| CN104612944B (en) | A kind of thick oil pump | |
| CN201280924Y (en) | Steam cycle thick oil heating production pipe column | |
| CN201041141Y (en) | Electric submersible bi-directional oil-pumping anti-sand pump | |
| CN201068784Y (en) | Composite pipes column type rod-free gas production oil extraction device | |
| CN201443367U (en) | Oil pumping well power cylinder type hydraulic device | |
| CN1354317A (en) | Downhole production-injection method and integrated pipe string | |
| RU84461U1 (en) | INSTALLATION FOR SIMULTANEOUSLY SEPARATED PRODUCTION AND PUMPING THROUGH ONE WELL | |
| CN203742575U (en) | Dual-seal oil pumping device for steam injection and oil extraction | |
| CN201074586Y (en) | Combination of pipe column and rod column for deep pumping of oil pumping well | |
| CN204532295U (en) | One takes over extracting device of oil of calming the anger | |
| CN211666694U (en) | Mechanical pumping drainage gas production wellhead pressurization process pipe column | |
| CN204591240U (en) | Natural gas well pressure break or acidifying foam return comb post | |
| CN200946487Y (en) | Hydraulic pumping device | |
| CN103527152A (en) | Liquid drainage system | |
| CN207437034U (en) | Working fluid injection device based on pumping unit | |
| CN1239825C (en) | Combined oil-well pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20071128 |