CN204113278U - A kind of gas storage test string - Google Patents
A kind of gas storage test string Download PDFInfo
- Publication number
- CN204113278U CN204113278U CN201420495610.9U CN201420495610U CN204113278U CN 204113278 U CN204113278 U CN 204113278U CN 201420495610 U CN201420495610 U CN 201420495610U CN 204113278 U CN204113278 U CN 204113278U
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- hole
- cable
- tubing string
- tubing
- cavity
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- 230000035515 penetration Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000001012 protector Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- 238000005260 corrosion Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Abstract
The utility model discloses a kind of gas storage test string, belong to gas storage production and construction field.Described tubing string also comprises holder cylinder, electron pressure thermometer, armored cable and data acquisition unit, holder cylinder offers the first through hole and cavity, axial arranged along tubing string of first through hole, two sections in some sections of oil pipes adjacent oil pipes are connected to the two ends of the first through hole of holder cylinder, holder cylinder also offers connection first through hole be communicated with first of cavity instrument connection be communicated with that cavity to be communicated with in instrument connection with second of annular space one or two; Tubing hanger and packer are respectively arranged with cable penetration hole; The sealing of electron pressure thermometer is arranged in the cavities, and one end of armored cable is connected with electron pressure temperature, and the other end of armored cable is connected with data acquisition unit with behind the cable penetration hole in tubing hanger through the cable penetration hole on packer successively.The utility model is monitored continuously to gas storage.
Description
Technical field
The utility model relates to gas storage production and construction field, particularly a kind of gas storage test string.
Background technology
Underground natural gas storage tank the natural gas of extraction is refilled the underground space and the artificial gas field of one formed or gas reservoir.Due to gas storage note, to adopt intensity high, and pressure amplitude is large, needs to carry out Real-Time Monitoring to gas storage pressure and temperature etc., to grasp gas storage operation state in time, ensures that gas storage long-term security effectively runs.
Usually memory electronic pressure gauge or cable direct reading formula electronic pressure gauge is adopted to carry out Real-Time Monitoring to gas storage at present.Just can know after the test result of memory electronic pressure gauge must be tripped out to ground, Real-Time Monitoring cannot be carried out to gas storage, and being subject to the restriction of battery life and memory space, monitoring time is limited, can not monitor continuously for a long time gas storage.Although cable direct reading formula electronic pressure gauge can know test result immediately, cable is suspended in oil pipe, can only temporarily under enter monitor well and test, also cannot realize monitoring continuously for a long time gas storage.
Utility model content
Cannot realize carrying out gas storage the problem of monitoring continuously for a long time to solve prior art, the utility model embodiment provides a kind of gas storage test string.Described technical scheme is as follows:
The utility model embodiment provides a kind of gas storage test string, described tubing string comprises tubing shoe, some sections of oil pipes, packer and tubing hangers, described some sections of oil pipes are communicated with by described packer, described tubing shoe and described tubing hanger are located at the two ends of some sections of oil pipes after being communicated with respectively, described tubing string also comprises holder cylinder, electron pressure thermometer, armored cable and data acquisition unit
Described holder cylinder offers the first through hole and cavity, axial arranged along described tubing string of described first through hole, two sections in described some sections of oil pipes adjacent oil pipes are connected to the two ends of described first through hole of described holder cylinder, described holder cylinder also offer be communicated with described first through hole and be communicated with instrument connection with first of described cavity and be communicated with described cavity and be communicated with one in instrument connection or two with second of annular space;
Described tubing hanger and described packer are respectively arranged with cable penetration hole;
Described electron pressure thermometer sealing is arranged in described cavity, one end of described armored cable is connected with described electron pressure temperature, and the other end of described armored cable is connected with described data acquisition unit with behind the cable penetration hole in described tubing hanger through the cable penetration hole on described packer successively.
In a kind of possible implementation of the utility model, described cavity is circular cylindrical cavity, and the axis being parallel of the axis of described circular cylindrical cavity and described tubing string.
In the another kind of possible implementation of the utility model, described tubing string also comprises the electric cable protector for being fixed on by described armored cable on described some sections of oil pipes.
Alternatively, described electric cable protector is clamp.
Preferably, described electric cable protector is located at the joint hoop place of described some sections of oil pipes.
In another possible implementation of the utility model, the shell of described electron pressure thermometer is nickel-based alloy jacket.
In another possible implementation of the utility model, the opening part of described cavity is provided with the first metallic packing ring, be inserted with the first locking pressure cap in described first metallic packing ring, described first locking pressure cap is provided with vertically for the through hole through described armored cable.
In another possible implementation of the utility model, the inwall of described first through hole of one end of described holder cylinder is provided with internal thread, and the outer wall of the other end of described holder cylinder is provided with external screw thread.
In another possible implementation of the utility model, the two ends in the cable penetration hole of described tubing hanger are respectively equipped with the second metallic packing ring, the 3rd metallic packing ring, the second locking pressure cap is inserted with in described second metallic packing ring, be inserted with the 3rd locking pressure cap in described 3rd metallic packing ring, described second locking pressure cap and described 3rd locking pressure cap are equipped with vertically for the through hole through described armored cable.
In another possible implementation of the utility model, described tubing string also comprises communication apparatus, and described communication apparatus is connected with described data acquisition unit, control centre respectively.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
By electron pressure thermometer being arranged in the cavity outside oil pipe, one end of electron pressure thermometer is connected with one end of armored cable, the other end of armored cable is connected with data acquisition unit with behind the cable penetration hole in tubing hanger through the cable penetration hole on packer successively, neither there is the restriction of battery life and memory space, also there is not cable is the problem be suspended in production tube, therefore can monitor continuously for a long time the pressure and temperature of gas storage.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of gas storage test string that the utility model embodiment provides;
Fig. 2 is the structural representation of the holder cylinder that the utility model embodiment provides;
Fig. 3 be the holder barrel dliameter that provides of the utility model embodiment to generalized section;
Fig. 4 is the structural representation of the tubing hanger that the utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment one
The utility model embodiment provides a kind of gas storage test string, see Fig. 1, this tubing string comprises tubing shoe 1, some sections of oil pipes 2, packer 3 and tubing hangers 4, and some sections of oil pipes 2 are communicated with by packer 3, tubing shoe 1 and tubing hanger 4 be located at respectively and be communicated with after the two ends of some sections of oil pipes 2.This tubing string also comprises holder cylinder 5, electron pressure thermometer 6, armored cable 7 and data acquisition unit 8.
Holder cylinder 5 offers the first through hole 51 and cavity 52 (referring to Fig. 2 and Fig. 3), axial arranged along tubing string of the first through hole 51, two sections in some sections of oil pipes 2 adjacent oil pipes are connected to the two ends of the first through hole 51 of holder cylinder 5.See Fig. 2 and Fig. 3, holder cylinder 5 also offers connection first through hole 51 is communicated with first of cavity 52 instrument connection 53 be communicated with that cavity 52 to be communicated with in instrument connection 54 with second of annular space one or two, the first connection instrument connection 53 is communicated with instrument connection 54 for transmitting the pressure and temperature inside and outside oil pipe with second.
Tubing hanger 4 and packer 3 are respectively arranged with cable penetration hole.
Electron pressure thermometer 6 sealing is arranged in cavity 52.One end of armored cable 7 is connected with electron pressure temperature 6, and the other end of armored cable 7 is connected with data acquisition unit 8 with behind the cable penetration hole in tubing hanger 4 through the cable penetration hole on packer 3 successively.
It should be noted that, first be communicated with that instrument connection 53 is communicated with instrument connection 54 with second offer the actual conditions depending on measurement.When pressure inside and outside oil pipe is identical, the first connection instrument connection 53 can be offered simultaneously and be communicated with instrument connection 54 with second; When pressure inside and outside oil pipe is different, then can only offer the first connection instrument connection 53 is communicated with in instrument connection 54 with second one.Wherein, whether the pressure inside and outside oil pipe is identical, depends on the position relationship of holder cylinder 5 and packer 3.When not having packer 3 between holder cylinder 5 and tubing shoe 1, the pressure inside and outside oil pipe is identical; When having packer 3 between holder cylinder 5 and tubing shoe 1, the pressure inside and outside oil pipe is different.
Particularly, one end of armored cable 7 can be connected with electron pressure temperature 6 by cable head.
Preferably, adopt metal to metal seal between cable head and cable, between cable and joint, compared with rubber seal, service time is long, there is not problem of aging, can meet long-term permanent sealing needs.
Alternatively, cavity 52 can be circular cylindrical cavity, and the axis being parallel of the axis of circular cylindrical cavity and tubing string.
In a kind of implementation of the present embodiment, this tubing string can also comprise the electric cable protector 9 for being fixed on by armored cable 7 on some sections of oil pipes 2.
Alternatively, electric cable protector 9 can be clamp.
Alternatively, electric cable protector 9 is located at the joint hoop place of some sections of oil pipes 2.
Preferably, the shell of electron pressure thermometer 6 can be nickel-based alloy jacket, and corrosion-resistant, high temperature resistance, meets the requirement of long-term underground work.
In the another kind of implementation of the present embodiment, as shown in Figure 2, the opening part of cavity 52 is provided with the first metallic packing ring 55, the first locking pressure cap 56 is inserted with in first metallic packing ring 55, first locking pressure cap 56 is provided with vertically for the through hole 57 through armored cable 7, thus is sealed in cavity 52 by electron pressure thermometer 6.
In another implementation of the present embodiment, as shown in Figure 2, the inwall of first through hole 51 of one end of holder cylinder 5 is provided with internal thread 58, and the outer wall of the other end of holder cylinder 5 is provided with external screw thread 59.
In another implementation of the present embodiment, see Fig. 4, the two ends in the cable penetration hole of tubing hanger 4 are respectively equipped with the second metallic packing ring 41, the 3rd metallic packing ring 42, the second locking pressure cap 43 is inserted with in second metallic packing ring 41, be inserted with the 3rd locking pressure cap 44, second in 3rd metallic packing ring 42 to lock pressure cap 43 and the 3rd locking pressure cap 44 and be equipped with for through the through hole of armored cable 7 vertically.Second metallic packing ring 41 and the 3rd metallic packing ring 42 can completely cut off medium under sealed well.
Alternatively, data acquisition unit 8 can comprise processor and memory.
Preferably, data acquisition unit 8 can also comprise display.
In another implementation of the present embodiment, as shown in Figure 1, this tubing string can also comprise communication apparatus 10, and communication apparatus 10 is connected with data acquisition unit 8, control centre 11.
It should be noted that; compressing in well for preventing armored cable 7, wearing and tearing; armored cable 7 is with matcoveredn (as 10KV twisted polyethylene cable topping); there is corrosion resistance; stretching and the small radius that can bear certain load bend, and meet the bending requirement that wellhead traversing hour indicator enters oil pipe four-way inner chamber.
Oil pipe four-way is arranged on ground, oil pipe four-way along its through hole axially offered and tubing hanger 4 all tapered, and the minimum diameter of the through hole of oil pipe four-way is less than the maximum outside diameter of tubing hanger 4, thus tubing hanger is stuck in the through hole of oil pipe four-way.
First simply introduce the assembling process of the gas storage test string that the utility model embodiment provides below:
The first step, by asking the first through hole 51 of cylinder 5 to be communicated with by section adjacent oil pipe of two in some sections of oil pipes 2, one end that wherein one section of oil pipe is not communicated with the first through hole 51 is provided with tubing shoe 1.Second step, carries out cable head in one end of armored cable 7, and is connected with electron pressure thermometer 6 by cable head.3rd step, is placed into electron pressure thermometer 6 in the cavity 52 of holder cylinder 5, adopts the first locking pressure cap 56 and metallic packing ring 55 to extrude and is sealed in cavity 52 by electron pressure thermometer 6.4th step, some sections of oil pipes 2 start to go into the well, and electron pressure thermometer 6, holder cylinder 5, armored cable 7 are gone into the well thereupon.5th step, in the process that tubing string is gone into the well, adopts electric cable protector 9 armored cable 7 to be fixed on the joint hoop place of some sections of oil pipes 2.6th step, the two ends of packer 3 are communicated with section oil pipe of two in some sections of oil pipes 2 respectively, and measure suitable armored cable 7 length, block armored cable 7, by the cable penetration hole of armored cable 7 through packer 3, sealed fitting is through on armored cable 7, with cable connector, the two ends that armored cable 7 blocks is docked.Carry out the pressure testing of docking cable seal, detection streamer signal with pressure testing cylinder after cable butting, detect errorless after carry out next step operation.7th step, the two ends of tubing hanger 4 are communicated with section oil pipe of two in some sections of oil pipes 2 respectively, and measure suitable armored cable 7 length, block armored cable 7, by the cable penetration hole of armored cable 7 through tubing hanger 4, adopt the second locking pressure cap 43 to extrude the second metallic packing ring 41, the 3rd locking pressure cap 44 extrudes the 3rd metallic packing ring 42, the cable penetration hole of tubing hanger 4 is sealed.With cable connector, the two ends that armored cable 7 blocks are docked, after cable butting, carry out the pressure testing of docking cable seal, detection streamer signal with pressure testing cylinder, detect errorless after carry out next step operation.8th step, connects successively by the other end of armored cable 7, data acquisition unit 8, communication apparatus 10, control centre 11.
Simply introduce the operating principle of the gas storage test string that the utility model embodiment provides below again:
Electron pressure thermometer 6 at underground survey temperature and pressure, and passes through armored cable 7 by Signal transmissions to data acquisition unit 8.Data acquisition unit 8 one aspect gathers transmitting the data of coming up through armored cable 7, show, stores, and on the other hand the data collected is mail to control centre 11 by communication apparatus 10.
The utility model embodiment is by being arranged in the cavity outside oil pipe by electron pressure thermometer, one end of electron pressure thermometer is connected with one end of armored cable, the other end of armored cable is connected with data acquisition unit with behind the cable penetration hole in tubing hanger through the cable penetration hole on packer successively, neither there is the restriction of battery life and memory space, also there is not cable is the problem be suspended in production tube, therefore can monitor continuously for a long time the pressure and temperature of gas storage.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a gas storage test string, described tubing string comprises tubing shoe, some sections of oil pipes, packer and tubing hangers, described some sections of oil pipes are communicated with by described packer, described tubing shoe and described tubing hanger are located at the two ends of some sections of oil pipes after being communicated with respectively, it is characterized in that, described tubing string also comprises holder cylinder, electron pressure thermometer, armored cable and data acquisition unit
Described holder cylinder offers the first through hole and cavity, axial arranged along described tubing string of described first through hole, two sections in described some sections of oil pipes adjacent oil pipes are connected to the two ends of described first through hole of described holder cylinder, described holder cylinder also offers be communicated with described first through hole be communicated with first of described cavity instrument connection be communicated with that described cavity to be communicated with in instrument connection with second of annular space one or two;
Described tubing hanger and described packer are respectively arranged with cable penetration hole;
Described electron pressure thermometer sealing is arranged in described cavity, one end of described armored cable is connected with described electron pressure temperature, and the other end of described armored cable is connected with described data acquisition unit with behind the cable penetration hole in described tubing hanger through the cable penetration hole on described packer successively.
2. tubing string according to claim 1, is characterized in that, described cavity is circular cylindrical cavity, and the axis being parallel of the axis of described circular cylindrical cavity and described tubing string.
3. tubing string according to claim 1, is characterized in that, described tubing string also comprises the electric cable protector for being fixed on by described armored cable on described some sections of oil pipes.
4. tubing string according to claim 3, is characterized in that, described electric cable protector is clamp.
5. tubing string according to claim 4, is characterized in that, described electric cable protector is located at the joint hoop place of described some sections of oil pipes.
6. tubing string according to claim 1, is characterized in that, the shell of described electron pressure thermometer is nickel-based alloy jacket.
7. tubing string according to claim 1, it is characterized in that, the opening part of described cavity is provided with the first metallic packing ring, is inserted with the first locking pressure cap in described first metallic packing ring, and described first locking pressure cap is provided with vertically for the through hole through described armored cable.
8. tubing string according to claim 1, is characterized in that, the inwall of described first through hole of one end of described holder cylinder is provided with internal thread, and the outer wall of the other end of described holder cylinder is provided with external screw thread.
9. tubing string according to claim 1, it is characterized in that, the two ends in the cable penetration hole of described tubing hanger are respectively equipped with the second metallic packing ring, the 3rd metallic packing ring, the second locking pressure cap is inserted with in described second metallic packing ring, be inserted with the 3rd locking pressure cap in described 3rd metallic packing ring, described second locking pressure cap and described 3rd locking pressure cap are equipped with vertically for the through hole through described armored cable.
10. tubing string according to claim 1, is characterized in that, described tubing string also comprises communication apparatus, and described communication apparatus is connected with described data acquisition unit, control centre respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495610.9U CN204113278U (en) | 2014-08-29 | 2014-08-29 | A kind of gas storage test string |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495610.9U CN204113278U (en) | 2014-08-29 | 2014-08-29 | A kind of gas storage test string |
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| Publication Number | Publication Date |
|---|---|
| CN204113278U true CN204113278U (en) | 2015-01-21 |
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| CN201420495610.9U Active CN204113278U (en) | 2014-08-29 | 2014-08-29 | A kind of gas storage test string |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443113A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Testing string for gas storage |
| CN108661622A (en) * | 2017-03-30 | 2018-10-16 | 中国石油天然气股份有限公司 | A kind of test method of gas storage exhaust gas well plugging effect |
| CN109236268A (en) * | 2017-06-30 | 2019-01-18 | 中国石油天然气股份有限公司 | A kind of real-time monitoring device of underground injection flow and injection pressure |
-
2014
- 2014-08-29 CN CN201420495610.9U patent/CN204113278U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443113A (en) * | 2014-08-29 | 2016-03-30 | 中国石油天然气股份有限公司 | Testing string for gas storage |
| CN108661622A (en) * | 2017-03-30 | 2018-10-16 | 中国石油天然气股份有限公司 | A kind of test method of gas storage exhaust gas well plugging effect |
| CN108661622B (en) * | 2017-03-30 | 2021-11-02 | 中国石油天然气股份有限公司 | Method for testing plugging effect of waste gas well of gas storage |
| CN109236268A (en) * | 2017-06-30 | 2019-01-18 | 中国石油天然气股份有限公司 | A kind of real-time monitoring device of underground injection flow and injection pressure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |