CN105443070A - Packer with gas well foam discharging agent filling device - Google Patents
Packer with gas well foam discharging agent filling device Download PDFInfo
- Publication number
- CN105443070A CN105443070A CN201511009995.9A CN201511009995A CN105443070A CN 105443070 A CN105443070 A CN 105443070A CN 201511009995 A CN201511009995 A CN 201511009995A CN 105443070 A CN105443070 A CN 105443070A
- Authority
- CN
- China
- Prior art keywords
- packer
- gas well
- foam discharging
- discharging agent
- pressure
- 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.)
- Granted
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 32
- 239000006260 foam Substances 0.000 title claims abstract description 31
- 238000012856 packing Methods 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 19
- 239000007788 liquid Substances 0.000 abstract description 12
- 239000004088 foaming agent Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 25
- 241000521257 Hydrops Species 0.000 description 14
- 206010030113 Oedema Diseases 0.000 description 14
- 239000000203 mixture Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000191291 Abies alba Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006265 aqueous foam Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000008258 liquid foam Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
-
- 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
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
Landscapes
- 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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention belongs to the technical field of gas production of oil and gas fields, and particularly provides a packer with a gas well foam discharging agent filling device, which comprises a packer body (2), a pressure balance pipe (1) and a burette (3), wherein the pressure balance pipe (1) and the burette (3) are fixed on the packer body (2) and penetrate through the packer body (2) from top to bottom. The pressure balance pipe has the main function of balancing the pressure of liquid above and below the packer, and the foaming agent in the oil sleeve annulus is filled through the burette in the packer, so that the foaming agent can be fully mixed with accumulated liquid, and the aim of discharging the accumulated liquid in a shaft is fulfilled. The invention can effectively solve the problem that the foam discharging agent of the packer gas well is difficult to fill, so that the foaming agent can be directly and fully mixed with the accumulated liquid in the oil sleeve annulus.
Description
Technical field
The present invention relates to oil gas field production gas technology field, particularly a kind of packer with gas well foam discharging agent filling apparatus.
Background technology
Along with the exploitation in gas field, gas well fluid-carrying capability is deteriorated gradually, and pit shaft hydrops is on the increase, and affects gas well and normally produces.Foam drainage gas recovery is the most widely used water pumping gas production measure in gas field, there is the feature such as small investment, instant effect, this technology is by the bottom of certain surfactant or high molecular polymer Injection Well, by means of the stirring of natural gas flow, gas-liquid is fully mixed, by effects such as dispersion, drag reduction, washings, fully contact with shaft bottom hydrops, produce a large amount of low-density resistance aqueous foam, thus reduce critical liquid carrying flow rate, reach and improve fluid-carrying capability, discharge pit shaft hydrops object.
The foam discharging agent dosing method generally adopted mainly contains throws in solid bubble rod row and filling liquid foam discharging agent two kinds of forms, and wherein, solid bubble rod row can adopt lubricator oil pipe to throw in, and liquid foam discharging agent adopts the filling of oil jacket annular space.And due in drilling process, part gas-bearing formation is thin and many, gas well adopts the exploitation of mechanical packer combined pressure, and oil jacket annular space exists packer, the oil jacket annular space filling that frother cannot pass through.
Summary of the invention
The object of the invention is to overcome above-mentioned problems of the prior art, a kind of packer with gas well foam discharging agent filling apparatus that effectively can solve the problem that packer gas well foam discharging agent is not easily annotated is provided, makes frother can directly, fully mix with oil jacket annular space hydrops.
Technical scheme of the present invention is: a kind of packer with gas well foam discharging agent filling apparatus, comprise packing body, also comprise pressure-equalizing pipe and buret, described pressure-equalizing pipe and buret are all fixed on packing body, and from top to bottom through packing body.
Above-mentioned packing body offers the through hole one being communicated with oil jacket annular space and below oil jacket annular space above this packing body, described pressure-equalizing pipe inserts and is fixed in through hole one.
Be connected by screw thread between above-mentioned pressure-equalizing pipe with through hole one.
Sealing mat is provided with between above-mentioned pressure-equalizing pipe and through hole one.
Above-mentioned packing body offers the through hole two being communicated with oil jacket annular space and below oil jacket annular space above this packing body, described buret inserts and is fixed in through hole two.
Be connected by screw thread between above-mentioned buret with through hole two.
Sealing mat is provided with between above-mentioned buret and through hole two.
Its length of part that above-mentioned pressure-equalizing pipe is positioned at oil jacket annular space above packing body is 0.8 ~ 1.2 meter.
Its length of part that above-mentioned pressure-equalizing pipe is positioned at oil jacket annular space above packing body is 1 meter.
Should be mechanical packer with the packer of gas well foam discharging agent filling apparatus.
Beneficial effect of the present invention: the packer with gas well foam discharging agent filling apparatus provided by the invention, be increase pressure-equalizing pipe and buret on packing body, wherein pressure-equalizing pipe is installed and is passed packer, reserves about 1 meter of length above packer; Buret is arranged on packer.Pressure-equalizing pipe of the present invention the Main Function that rises be the pressure of balance packer upper and lower liquid, the frother of oil jacket annular space, by the buret filling in packer, makes frother fully mix with hydrops, reaches the object of discharge pit shaft hydrops.Therefore, the present invention effectively can solve the problem that packer gas well foam discharging agent is not easily annotated, and makes frother can directly, fully mix with oil jacket annular space hydrops.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the well head connection valve door section schematic diagram of injectant pump;
Fig. 2 is profile construction schematic diagram of the present invention;
Fig. 3 is Fig. 2 " A " place enlarged drawing;
Fig. 4 is Fig. 2 " B " place enlarged drawing.
Description of reference numerals: 1, pressure-equalizing pipe; 2, packing body; 3, buret; 4,2# valve; 5,3# valve; 6, oil pipe; 7, sleeve pipe; 8, christmas tree; 9, casing pressure table; 10,1# valve; 11,4# valve; 12,5# valve; 13, top oil jacket annular space; 14, below oil jacket annular space; The connecting portion of A, pressure-equalizing pipe and packing body; B, buret are positioned at the position on packing body.
Detailed description of the invention
Embodiment 1:
See Fig. 2, Fig. 3 and Fig. 4, the invention provides a kind of packer with gas well foam discharging agent filling apparatus, this packer is mechanical packer, it comprises packing body 2, also comprise pressure-equalizing pipe 1(and balance two-way pressure) and buret 3, described pressure-equalizing pipe 1 and buret 3 are all fixed on packing body 2, and from top to bottom through packing body 2.Described packing body 2 to be in prior art in drilling process, part gas-bearing formation is thin and many, gas well adopts the packer of the oil jacket annular space closed between oil pipe 6 and sleeve pipe 7 to carry out packer used when combined pressure is exploited, and such packer is prior art parts, no longer describes in detail herein.Its effect of pressure-equalizing pipe 1 is mainly in order to balance the pressure of packer upper and lower liquid, wellbore fluid above packer and foam discharging agent are blended under self produces the effect of pressure and pass through buret smoothly, under the stirring of natural gas flow, fully contact with hydrops below packer, produce a large amount of low-density resistance aqueous foam, reach the object getting rid of shaft bottom hydrops.
Embodiment 2:
On the basis of embodiment 1, described packing body 2 offers the through hole one being communicated with oil jacket annular space 13 and below oil jacket annular space 14 above this packing body 2, described pressure-equalizing pipe 1 inserts and is fixed in through hole one.Described pressure-equalizing pipe 1 is connected by screw thread with between through hole one, is also provided with sealing mat between pressure-equalizing pipe 1 and through hole one simultaneously; Its length of part that pressure-equalizing pipe 1 is positioned at oil jacket annular space 13 above packing body 2 reserves 0.8 ~ 1.2 meter long, specifically desirable 1 meter long, this length can avoid pressure-equalizing pipe 1 and buret 3 to be flooded to cause by wellbore fluid and foam discharging agent simultaneously and be unfavorable for that the oil jacket annular space above and below packer carries out venting pressure balance, causes and is unfavorable for that wellbore fluid and foam discharging agent flow to the oil jacket annular space below packer smoothly.
Described packing body 2 offers the through hole two being communicated with oil jacket annular space 13 and below oil jacket annular space 14 above this packing body, described buret 3 inserts and is fixed in through hole two.Described buret 3 is connected by screw thread with between through hole two, is also provided with sealing mat between buret 3 and through hole two simultaneously.
The reserved through hole be connected with pressure-equalizing pipe and buret of processing on the packing body of the present embodiment, by pressure-equalizing pipe and buret and packer screwed connection (between place sealing mat) before packer is gone into the well.Under the state of kill-job, the packer G.I.H of Bonding pressure balance pipe and buret is realized setting (packing oil jacket annular space), again sits and put well head christmas tree and after drained well killing fluid, in sleeve pipe, inject foam discharging agent realize the gas production of gas well proper drainage.
the course of work of the present invention:fig. 1 is the well head connection valve door section schematic diagram of injectant pump, wherein the top of this figure is by oil pipe 6, sleeve pipe 7 connects christmas tree 8, this part is connected with 1# valve 10, 4# valve 11 and 5# valve 12, the latter half of this figure includes the well head 2# valve 4 that is connected with injectant pump or 3# valve 5(and wherein 3# is connected with casing pressure table 9), well head 2# or 3# valve open foaming agent solution are injected from proof wellhead oil casing annular space by injectant pump, balance the effect of the pressure of packer upper and lower liquid at pressure-equalizing pipe 1 under, frother is by below buret 3 evenly instillation packer 2, with fully mixed point of hydrops below packer 2.
The present invention injects by injectant pump the foaming agent solution prepared from proof wellhead oil casing annular space, frother is evenly instilled below packer by buret, fully mix with hydrops below packer, form the foam with certain stability, change the gas-liquid distributed architecture in shaft bottom and oil pipe, also change the relative density of lower curtate bit stream body in oil pipe simultaneously, progressively realize the continuous distributed of the gas-liquid structure in oil pipe, along with the carrying out of discharge opeing process, reduce shaft bottom back pressure, improve the jacking capacity of gas.Pressure-equalizing pipe of the present invention the Main Function that rises be the pressure of balance packer upper and lower liquid, the frother of oil jacket annular space, by the buret filling in packer, makes frother fully mix with hydrops, reaches the object of discharge pit shaft hydrops.Therefore, the present invention effectively can solve the problem that packer gas well foam discharging agent is not easily annotated, and makes frother can directly, fully mix with oil jacket annular space hydrops.
The part do not described in detail in present embodiment belongs to the known conventional means of the industry, does not describe one by one here.More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (10)
1. the packer with gas well foam discharging agent filling apparatus, comprise packing body (2), it is characterized in that: also comprise pressure-equalizing pipe (1) and buret (3), described pressure-equalizing pipe (1) and buret (3) are all fixed on packing body (2), and from top to bottom through packing body (2).
2. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 1, it is characterized in that: described packing body (2) offers the through hole one being communicated with this packing body (2) top oil jacket annular space (13) and below oil jacket annular space (14), described pressure-equalizing pipe (1) inserts and is fixed in through hole one.
3. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 2, is characterized in that: described pressure-equalizing pipe (1) is connected by screw thread with between through hole one.
4. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 2 or claim 3, is characterized in that: be provided with sealing mat between described pressure-equalizing pipe (1) and through hole one.
5. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 1, it is characterized in that: described packing body (2) offers the through hole two being communicated with oil jacket annular space (13) and below oil jacket annular space (14) above this packing body, described buret (3) inserts and is fixed in through hole two.
6. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 5, is characterized in that: described buret (3) is connected by screw thread with between through hole two.
7. a kind of packer with gas well foam discharging agent filling apparatus as described in claim 5 or 6, is characterized in that: be provided with sealing mat between described buret (3) and through hole two.
8. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 1, is characterized in that: its length of part that described pressure-equalizing pipe (1) is positioned at packing body (2) top oil jacket annular space (13) is 0.8 ~ 1.2 meter.
9. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 8, is characterized in that: its length of part that described pressure-equalizing pipe (1) is positioned at packing body (2) top oil jacket annular space (13) is 1 meter.
10. a kind of packer with gas well foam discharging agent filling apparatus as claimed in claim 1, is characterized in that: should be mechanical packer with packer of gas well foam discharging agent filling apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009995.9A CN105443070B (en) | 2015-12-30 | 2015-12-30 | Packer with gas well foam discharging agent filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009995.9A CN105443070B (en) | 2015-12-30 | 2015-12-30 | Packer with gas well foam discharging agent filling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443070A true CN105443070A (en) | 2016-03-30 |
| CN105443070B CN105443070B (en) | 2018-08-14 |
Family
ID=55553652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511009995.9A Active CN105443070B (en) | 2015-12-30 | 2015-12-30 | Packer with gas well foam discharging agent filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443070B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130953A (en) * | 2017-05-17 | 2017-09-05 | 成都百联油田技术服务有限公司 | A kind of chemical enhanced gas producing technology |
| CN113027401A (en) * | 2019-12-24 | 2021-06-25 | 中国石油化工股份有限公司 | Gas well medicament preparation method, gas well medicament and gas well medicament filling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001069039A1 (en) * | 2000-03-15 | 2001-09-20 | Senyard Corley P Sr | Method and apparatus for producing an oil, water, and/or gas wel l |
| CN201843596U (en) * | 2010-10-28 | 2011-05-25 | 中国石油天然气股份有限公司 | Automatic device of puting in of gas well foam drainage ball |
| CN102305055A (en) * | 2011-08-10 | 2012-01-04 | 中国石油天然气股份有限公司 | Air foam flooding well bottom foaming process pipe column |
| CN102747993A (en) * | 2012-06-27 | 2012-10-24 | 中国石油大学(华东) | Liquid foaming agent injection method |
| CN103352679A (en) * | 2013-07-04 | 2013-10-16 | 西南石油大学 | Device and method for filling foam drainage agent automatically under shaft |
| CN205382906U (en) * | 2015-12-30 | 2016-07-13 | 中国石油天然气股份有限公司 | Packer with gas well foam discharging agent filling device |
-
2015
- 2015-12-30 CN CN201511009995.9A patent/CN105443070B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001069039A1 (en) * | 2000-03-15 | 2001-09-20 | Senyard Corley P Sr | Method and apparatus for producing an oil, water, and/or gas wel l |
| CN201843596U (en) * | 2010-10-28 | 2011-05-25 | 中国石油天然气股份有限公司 | Automatic device of puting in of gas well foam drainage ball |
| CN102305055A (en) * | 2011-08-10 | 2012-01-04 | 中国石油天然气股份有限公司 | Air foam flooding well bottom foaming process pipe column |
| CN102747993A (en) * | 2012-06-27 | 2012-10-24 | 中国石油大学(华东) | Liquid foaming agent injection method |
| CN103352679A (en) * | 2013-07-04 | 2013-10-16 | 西南石油大学 | Device and method for filling foam drainage agent automatically under shaft |
| CN205382906U (en) * | 2015-12-30 | 2016-07-13 | 中国石油天然气股份有限公司 | Packer with gas well foam discharging agent filling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130953A (en) * | 2017-05-17 | 2017-09-05 | 成都百联油田技术服务有限公司 | A kind of chemical enhanced gas producing technology |
| CN107130953B (en) * | 2017-05-17 | 2020-04-14 | 成都百联油田技术服务有限公司 | Chemical enhanced gas production process |
| CN113027401A (en) * | 2019-12-24 | 2021-06-25 | 中国石油化工股份有限公司 | Gas well medicament preparation method, gas well medicament and gas well medicament filling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105443070B (en) | 2018-08-14 |
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