CN102587981A - Underground salt cavern gas storage and building method thereof - Google Patents
Underground salt cavern gas storage and building method thereof Download PDFInfo
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- CN102587981A CN102587981A CN2012100627678A CN201210062767A CN102587981A CN 102587981 A CN102587981 A CN 102587981A CN 2012100627678 A CN2012100627678 A CN 2012100627678A CN 201210062767 A CN201210062767 A CN 201210062767A CN 102587981 A CN102587981 A CN 102587981A
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Abstract
The invention belongs to the field of development of oil and gas resources, and particularly relates to an underground salt cavern gas storage and a building method thereof. The underground salt cavern gas storage comprises a salt cavern, a guide tube, a technical casing, a well completion casing, a control valve, a pressure gauge, a packer, slips, a sealing cover and a natural gas injection and extraction tubular column; the natural gas injection and extraction tubular column penetrates into the underground salt cavern from the ground; the well completion casing penetrates into the top of the underground salt cavern form the ground; the bottom end of the well completion casing is connected with the natural gas injection and extraction tubular column via the packer and the slips; the sealing cover, the pressure gauge and the control valve are mounted at the position of a wellhead; and steel grade of the well completion casing in the stratum of the salt cavern is higher than that of a well completion casing in another stratum by a grade. Construction steps include selecting external collapse load; determining model selection of the tubular column and penetration depth; drilling and cementing a well; mounting the packer and the slips; mounting the sealing cover; and mounting the pressure gauge and the control valve. Influence of salt rock creep to safety of the well completion casing is emphasized, simultaneously, the sealing performance of the tubular column is monitored in real time, and safety and reliability are high.
Description
Technical field
The invention belongs to the petroleum resources development field, particularly, relate to a kind of underground salt hole air reserved storeroom and construction method thereof of being applied to.
Background technology
Build in the underground rock salt stratum at a lot of salt hole air reserved storerooms of China,, make completion casing post safety face more challenges, mainly contain three aspect reasons because rock salt has that the salt rock stratum is many, thin thickness and alternately appearance of interlayer.First; Because rock salt has typical creep properties, rock salt begins place creep near well under the geostatic stress effect of far field, produces displacement and distortion to wellbore; Make geostatic stress act on cement sheath and completion casing, and crowded loadmeter reveal very big inhomogeneities outward through the rock salt creep.The second, interlayer and rock salt physical and mechanical property difference are bigger, when the deformation of creep, show very strong inconsistency, make casing string outside receiving, also need bear interlayer effect shearing force above that in the crowded load.The 3rd, adopt efficient in order to improve the gas storage notes, gas storage casing string size is general bigger, is unfavorable for sleeve stress and safety.In a single day the salt hole air reserved storeroom casing string destroys, will cause heavy economic losses and life safety.Present stage, mainly there were following 3 shortcomings in underground salt hole air reserved storeroom casing string design:
(1) existing oil gas well completion tubing string patent is primarily aimed at oil reservoir and gas reservoir, and reckons without salt hole air reserved storeroom actual condition and loading characteristic, will have potential safety hazard if be applied to the salt hole air reserved storeroom completion tubular column.
(2) in the rock salt stratum middle sleeve design with rock salt section stratum sleeve stress as design considerations, often make that the casing string safety redundancy in the upper formation is higher, cause waste.
(3) in the middle sleeve post design process of rock salt stratum, do not consider the influence of tubing string inner high voltage gas, natural gas leaking monitoring and control device are not set, security reliability is low.
The present invention takes all factors into consideration underground salt hole air reserved storeroom operation operating mode, at the pithead position place a plurality of pressure meters is installed and control valve is monitored in real time and controlled possible leakage.Simultaneously, emphasis is considered the influence of rock salt creep, improves to be arranged in rock salt stratum completion tubular column grade of steel, increases the safety of tubing string, reduces whole tubing string expense.
Summary of the invention
The object of the present invention is to provide a kind of underground salt hole air reserved storeroom and construction method thereof, solve a difficult problem that exists in underground salt hole air reserved storeroom completion tubular column design and the construction; Have the high and dynamic monitoring function of security reliability, further, can effectively reduce the possibility that inefficacy takes place at running middle sleeve post salt hole air reserved storeroom.
Technical scheme of the present invention is following:
A kind of underground salt hole air reserved storeroom comprises salt cave, completion conduit, protective casing, completion casing, packer, slips, seal cover, natural gas injection-production column jacket; The natural gas injection-production column jacket is deep into underground salt cave from ground inner; Completion casing is deep into top, underground salt cave from ground; The completion casing bottom is connected with slips through packer with the natural gas injection-production column jacket, and the slips lower surface is concordant with completion casing post bottom, and packer is positioned at the slips upper end and links to each other with slips; Pressure balance liquid is full of the annular space on packer between whole natural gas injection-production column jacket and completion tubular; Completion conduit, protective casing and completion casing adopt the cement paste gluing to be in the same place, and the top is concordant with ground and seal cover is installed; It is characterized in that: pressure meter and control valve are installed on the seal cover, are used for monitoring and control natural gas leaking.
Preferably, at natural gas injection-production column jacket ground location place first seal cover is installed; First control valve, second control valve and first pressure meter are installed on first seal cover; First control valve is used to control the notes of natural gas in the natural gas injection-production column jacket to be adopted, and second control valve and first pressure meter are used to monitor the variation of natural gas injection-production column jacket internal pressure.
Preferably, at the ground location place of natural gas injection-production column jacket and completion casing annular space second seal cover is installed; The 3rd control valve and second pressure meter are installed on second seal cover, are used for monitoring and control natural gas leaking.
Preferably, at the ground location place of completion casing and protective casing annular space the 3rd seal cover is installed; The 4th control valve and the 3rd pressure meter are installed on the 3rd seal cover, are used for monitoring and control natural gas leaking.
Preferably, at the ground location place of protective casing and completion conduit annular space the 4th seal cover is installed; The 5th control valve and the 4th pressure meter are installed on the 4th seal cover, are used for monitoring and control natural gas leaking.
Preferably, in the rock salt stratum grade of steel of completion casing than the high one-level in the mudstone stratum.
The construction method of underground salt hole air reserved storeroom is characterized in that comprising the steps:
(1), outward squeezing load chooses: utilize the acoustic logging data or should have the casing collapse parameter in the zone, obtain the minimum and maximum stress value flatly on rock salt stratum, gas storage tip position place;
(2), tubing string type selecting and depth of setting are confirmed: select completion tubular column, protective casing, completion conduit size according to annotating the air collecting pipe column dimension, confirm casing string depth of setting parameter;
(3), drilling well and completion: drilling well to completion conduit, protective casing and completion casing projected depth place, successively be lowered to completion conduit, protective casing and completion casing, in the annular space of tubing string and ground interlayer, inject the cement paste completion, cement paste returns high to ground, waits and coagulates; The grade of steel of completion casing is than the high one-level in the mudstone stratum in the rock salt stratum;
(4), packer and slips are installed: molten drench is made chamber to salt cave and is reached design size; Completion casing post bottom is connected with the natural gas injection-production column jacket with slips through packer is installed, and in the above annular space of packer the injection pressure equilibrium liquid;
(5), seal cover is installed: the ground location place at natural gas injection-production column jacket, natural gas injection-production column jacket and completion casing annular space, completion casing and protective casing annular space, protective casing and completion conduit annular space installs first seal cover, second seal cover, the 3rd seal cover and the 4th seal cover respectively;
(6), pressure meter and control valve are installed: first control valve, second control valve and first pressure meter are installed on first seal cover of natural gas injection-production column jacket ground location; First control valve is used to control the notes of natural gas in the natural gas injection-production column jacket to be adopted, and second control valve and first pressure meter are used to monitor the variation of natural gas injection-production column jacket internal pressure.
Preferably, the 3rd control valve and second pressure meter are installed above second seal cover of the ground location of natural gas injection-production column jacket and completion casing annular space, are used for monitoring and control natural gas leaking.
Preferably, the 4th control valve and the 3rd pressure meter are installed above the 3rd seal cover of the ground location of completion casing and protective casing annular space, are used for monitoring and control natural gas leaking.
Preferably, the 5th control valve and the 4th pressure meter are installed on the 4th seal cover of the ground location of protective casing and completion conduit annular space, are used for monitoring and control natural gas leaking.
Emphasis of the present invention has been considered the rock salt creep to completion casing post Influence on security, improves to be arranged in rock salt stratum completion tubular column grade of steel, increases the safety of tubing string, can significantly reduce whole tubing string expense with original compared with techniques.Simultaneously, the present invention can carry out real-time monitoring to the tubing string sealing, in time finds to prevent security incident by natural gas leaking; The 3rd, tubular column structure work progress of the present invention is simple, feasible, does not need extra increase construction operation instrument and operation.Summarize saidly, the present invention has advantages such as security performance is good, work progress is simple, expense is low.
Description of drawings
Fig. 1 is a kind of underground salt hole air reserved storeroom structural representation;
Fig. 2 is Fig. 1 partial enlarged drawing;
Among the figure: 1, ground, 2, cement paste, 3, the completion conduit, 4, protective casing, 5, the mudstone stratum completion casing; 6, pressure balance liquid, 7, rock salt stratum completion casing, 8, packer, 9, slips, 10, the salt cave; 11, natural gas injection-production column jacket, 12, the rock salt stratum, 13, mudstone stratum, 41, first control valve; 42, second control valve, the 43, the 3rd control valve, the 44, the 4th control valve, the 45, the 5th control valve; 51, first pressure meter, 52, second pressure meter, the 53, the 3rd pressure meter, the 54, the 4th pressure meter; 31, first seal cover, 32, second seal cover, the 33, the 3rd seal cover, the 34, the 4th seal cover.
The specific embodiment
As shown in Figure 1, salt cave 10 distance from top face of land 975.6m are 23.2m apart from top mudstone stratum 13 bottom surfaces; Mudstone stratum 13 buried depths are 0～945.6m, and rock salt stratum 12 buried depths are 945.6m～1116.4m.
Underground salt hole air reserved storeroom structure comprises: cement paste 2; Completion conduit 3; Protective casing 4; Mudstone stratum completion casing 5; Pressure balance liquid 6; Rock salt stratum completion casing 7; Packer 8; Slips 9; Salt cave 10; Natural gas injection-production column jacket 11; First control valve 41; Second control valve 42; The 3rd control valve 43; The 4th control valve 44; The 5th control valve 45; First pressure meter 51; Second pressure meter 52; The 3rd pressure meter 53; The 4th pressure meter 54; First seal cover 31; Second seal cover 32; The 3rd seal cover 33; The 4th seal cover 34.
1 to be deep into the salt cave inner from ground for natural gas injection-production column jacket 11, and natural gas injection-production well tubing string external diameter is that 177.8mm, wall thickness 9.19mm, grade of steel are P110; Completion casing is deep into top, underground salt cave from ground; The completion casing bottom is connected 9 through packer 8 with slips with the natural gas injection-production column jacket, and the slips lower surface is concordant with completion casing post bottom, and packer is positioned at the slips upper end and links to each other with slips; Pressure balance liquid 6 is full of the annular space between whole natural gas injection-production column jacket and completion tubular on packer; Completion conduit 3, protective casing 4 and mudstone stratum completion casing 5 adopt the cement paste gluing to be in the same place; Mudstone stratum completion casing 5 and rock salt stratum completion casing 7 are connected through nipple; Completion tubular column length is the borehole length on salt cave tip position to the face of land, and protective casing length is 1/6～1/8 completion tubular column length, and the completion catheter length is 50m.
The 3rd control valve 43 and second pressure meter 52 are formed an element, are installed on second seal cover, are used to monitor and control the natural gas leaking of annular space between natural gas injection-production column jacket and completion casing.
The 4th control valve 44 and the 3rd pressure meter 53 are formed an element, are installed on the 3rd seal cover, are used to monitor and control the natural gas leaking of annular space between completion casing and protective casing.
The 5th control valve 45 and the 4th pressure meter 54 are formed an element, are installed on the 4th seal cover, be used to monitor and control technology sleeve pipe and completion conduit between the natural gas leaking of annular space.
Completion conduit, protective casing and completion casing joint screw thread all adopt has the metal to metal seal structure.
The building course of underground salt hole air reserved storeroom shown in Figure 1 is following:
(1), geostatic stress is confirmed: plan to build the minimum and maximum geostatic stress of salt hole air reserved storeroom formation at target locations according to acoustic logging data interpretation acquisition China and be respectively 14.42MPa and 13.26MPa; The difference that can calculate minimum and maximum stress flatly is 8.02%; Less than 10%, therefore can be according to stress design equably.Can calculate hydrostatic pressure according to the gas storage top to ground distance is 9.56MPa, less than maximum horizontal geostatic stress value, in casing string is selected, is a reference value with 14.42MPa.
(2), tubing string type selecting and depth of setting: according to borehole depth is 975.6m, and then can obtain completion tubular column length is 975.6m, can protective casing length be 163m (1/8～1/6 completion tubular column length), completion catheter length 50m.According to certain salt hole air reserved storeroom actual bets excavating technology requirement, annotating gas production tubing string external diameter is that 177.8mm, wall thickness are that 9.19mm, grade of steel are N80, and then can select the completion tubular column external diameter for use is that 244.5mm, wall thickness 10.03mm, grade of steel N80, nipple are inclined to one side trapezoid buckle.Can to obtain this molded cannula collapsoing strength according to the API5CT standard be 21.3MPa, bear in pressure energy power be 39.6MPa, all greater than maximum horizontal geostatic stress 14.42MPa and design maximum gas injection pressure 18MPa, satisfy the requirement of keeping the safety in production.Consider that rock salt stratum middle sleeve also need bear the creep loading effect; It is that 244.5mm, wall thickness 10.03mm, grade of steel C90, nipple are inclined to one side trapezoid buckle that completion casing is selected external diameter for use, and require casing string thickest unevenness less than 5%, maximum ovality is less than 0.3%.Protective casing is external diameter 339.7mm, wall thickness 9.65mm, grade of steel N80.The completion conduit is external diameter 508mm, wall thickness 11.13mm, grade of steel J55.
(3), drilling well and completion: adopting diameter is that the drilling well of 660mm drill bit is to 50m depth location place; Hole angle is lowered to the completion conduit of external diameter 508mm, wall thickness 11.13mm, grade of steel J55 less than 2 °, injects the low-temperature high-early strength brine cement slurry; Return height to ground, wait and coagulated 12 hours; Adopt diameter be the drilling well of 444.5mm drill bit to 163m depth location place, hole angle is lowered to the protective casing of external diameter 339.7mm, wall thickness 9.65mm, grade of steel N80 less than 2 °, injects the low-temperature high-early strength brine cement slurry, returns highly to ground, waits and coagulates 12～24 hours; Adopting diameter is 314.1mm drill bit drilling well to 1090.6m depth location place (comprising gas storage design height 115m), and hole angle is less than 2 °.Mudstone stratum 25 buried depths are 0～945.6m, and being lowered to external diameter and being 244.5mm, wall thickness 10.03mm, grade of steel N80, nipple is the completion casing of inclined to one side trapezoid buckle; Rock salt stratum buried depth is that to be lowered to external diameter be that 244.5mm, wall thickness 10.03mm, grade of steel C90, nipple are the completion casing of inclined to one side trapezoid buckle to 945.6m～975.6m.Inject the low-temperature high-early strength brine cement slurry, return height, wait and coagulated 24 hours to ground.
(4), packer and slips are installed: the molten drench of employing injection clear water is made the chamber and is finished through adding oily salt hole air reserved storeroom shape to the design size of controlling of top structure protection; In completion tubular column, be lowered to injection-production column jacket and be positioned at gas storage tip position installation Y422 type packer, slips, set at notes gas production tubing string and completion tubular column; Injection pressure equilibrium liquid in the above annular space of packer, can calculate its hydrostatic pressure is 9.56MPa.
Y422 type packer nominal operation pressure reduction is 20MPa, and can obtain the pressure that packer can seal is 29.56MPa, greater than pressing 18MPa in the salt hole air reserved storeroom design maximum, satisfies seal request.
(5), seal cover is installed: at natural gas injection-production column jacket pithead position first seal cover is installed, is sealed whole natural gas injection-production column jacket; Second seal cover is installed, the sealing annular space on the annular space of natural gas injection-production column jacket and mudstone stratum completion casing pithead position; On the annular space of completion casing and protective casing pithead position, the sealing annular space is installed the 3rd seal cover, the sealing annular space; The 4th seal cover is installed, the sealing annular space on the annular space of protective casing and conduit pithead position.
(6), pressure meter and control valve are installed: first control valve, second control valve and first pressure meter are installed on first seal cover.First control valve is used to control the notes of natural gas in the natural gas injection-production column jacket and adopts; Second control valve and first pressure meter are formed an element and are used to monitor the variation of natural gas injection-production column jacket internal pressure.The 3rd control valve and second pressure meter are installed, the natural gas leaking of annular space between monitoring and control natural gas injection-production column jacket and completion casing on second seal cover.The 4th control valve and the 3rd pressure meter are installed, the natural gas leaking of annular space between monitoring and control completion casing and protective casing on the 3rd seal cover.The 5th control valve and the 4th pressure meter are installed, the natural gas leaking of annular space between monitoring and control technology sleeve pipe and completion conduit on the 4th seal cover.
So far underground salt hole air reserved storeroom construction is accomplished, and the debugging back gets into operation.Pressure meter is used to monitor the gas pressure variation in the present embodiment, and control valve is used to control natural gas leaking, can prevent natural gas leaking by the closing presure valve in case gas pressure is higher than the pressure meter rated pressure; Pressure meter and control valve are the product that Wuxi City China village instrument and meter for automation factory produces; It is direct circulation mode or anti-endless form that the chamber mode is made in molten drench; Top structure protection oil is diesel oil or kerosene or heavy straight-run naphtha.
Claims (10)
1. a underground salt hole air reserved storeroom comprises salt cave, completion conduit, protective casing, completion casing, packer, slips, seal cover, natural gas injection-production column jacket; The natural gas injection-production column jacket is deep into underground salt cave from ground inner; Completion casing is deep into top, underground salt cave from ground; The completion casing bottom is connected with slips through packer with the natural gas injection-production column jacket, and the slips lower surface is concordant with completion casing post bottom, and packer is positioned at the slips upper end and links to each other with slips; Pressure balance liquid is full of the annular space on packer between whole natural gas injection-production column jacket and completion tubular; Completion conduit, protective casing and completion casing adopt the cement paste gluing to be in the same place, and the top is concordant with ground and seal cover is installed; It is characterized in that: pressure meter and control valve are installed on the seal cover, are used for monitoring and control natural gas leaking.
2. underground salt hole air reserved storeroom according to claim 1 is characterized in that: the place is equipped with first seal cover at natural gas injection-production column jacket ground location; First control valve, second control valve and first pressure meter are installed on first seal cover; First control valve is used to control the notes of natural gas in the natural gas injection-production column jacket to be adopted, and second control valve and first pressure meter are used to monitor the variation of natural gas injection-production column jacket internal pressure.
3. according to the described underground salt hole air reserved storeroom of claim 1-2, it is characterized in that: the ground location place at natural gas injection-production column jacket and completion casing annular space is equipped with second seal cover; The 3rd control valve and second pressure meter are installed on second seal cover, are used for monitoring and control natural gas leaking.
4. according to the described underground salt hole air reserved storeroom of claim 1-3, it is characterized in that: the ground location place at completion casing and protective casing annular space is equipped with the 3rd seal cover; The 4th control valve and the 3rd pressure meter are installed on the 3rd seal cover, are used for monitoring and control natural gas leaking.
5. according to the described underground salt hole air reserved storeroom of claim 1-4, it is characterized in that: the ground location place at protective casing and completion conduit annular space is equipped with the 4th seal cover; The 5th control valve and the 4th pressure meter are installed on the 4th seal cover, are used for monitoring and control natural gas leaking.
6. according to the described underground salt hole air reserved storeroom of claim 1-5, it is characterized in that: the grade of steel of completion casing is than the high one-level in the mudstone stratum in the rock salt stratum.
7. the construction method of the described underground salt hole air reserved storeroom of claim 1-6 is characterized in that comprising the steps:
(1), outward squeezing load chooses: utilize the acoustic logging data or should have the casing collapse parameter in the zone, obtain the minimum and maximum stress value flatly on rock salt stratum, gas storage tip position place;
(2), tubing string type selecting and depth of setting are confirmed: select completion tubular column, protective casing, completion conduit size according to annotating the air collecting pipe column dimension, confirm casing string depth of setting parameter;
(3), drilling well and completion: drilling well to completion conduit, protective casing and completion casing projected depth place, successively be lowered to completion conduit, protective casing and completion casing, in the annular space of tubing string and ground interlayer, inject the cement paste completion, cement paste returns high to ground, waits and coagulates; The grade of steel of completion casing is than the high one-level in the mudstone stratum in the rock salt stratum;
(4), packer and slips are installed: molten drench is made chamber to salt cave and is reached design size; Completion casing post bottom is connected with the natural gas injection-production column jacket with slips through packer is installed, and in the above annular space of packer the injection pressure equilibrium liquid;
(5), seal cover is installed: the ground location place at natural gas injection-production column jacket, natural gas injection-production column jacket and completion casing annular space, completion casing and protective casing annular space, protective casing and completion conduit annular space installs first seal cover, second seal cover, the 3rd seal cover and the 4th seal cover respectively;
(6), pressure meter and control valve are installed: first control valve, second control valve and first pressure meter are installed on first seal cover of natural gas injection-production column jacket ground location; First control valve is used to control the notes of natural gas in the natural gas injection-production column jacket to be adopted, and second control valve and first pressure meter are used to monitor the variation of natural gas injection-production column jacket internal pressure.
8. the construction method of underground salt hole air reserved storeroom according to claim 7; It is characterized in that: the 3rd control valve and second pressure meter are installed above second seal cover of the ground location of natural gas injection-production column jacket and completion casing annular space, are used for monitoring and control natural gas leaking.
9. according to the construction method of the described underground salt hole air reserved storeroom of claim 7-8; It is characterized in that: the 4th control valve and the 3rd pressure meter are installed above the 3rd seal cover of the ground location of completion casing and protective casing annular space, are used for monitoring and control natural gas leaking.
10. according to the construction method of the described underground salt hole air reserved storeroom of claim 7-9; It is characterized in that: the 5th control valve and the 4th pressure meter are installed on the 4th seal cover of the ground location of protective casing and completion conduit annular space, are used for monitoring and control natural gas leaking.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000031376A2 (en) * | 1998-11-20 | 2000-06-02 | Cdx Gas, Llc | Method and system for accessing subterranean deposits from the surface |
| DE10117617A1 (en) * | 2001-04-07 | 2002-10-10 | Ruhrgas Ag | System for storing fluid in underground hollow chamber comprises storage chamber for displacement fluid formed as underground hollow chamber |
| CN101315025A (en) * | 2008-06-05 | 2008-12-03 | 太原理工大学 | Construction method for rock salt cavity gas storage house |
| CN201212387Y (en) * | 2008-06-18 | 2009-03-25 | 北京华油油气技术开发有限公司 | Gas injection, gas production and brine discharge integration process pipe column for underground gas storage |
| CN102587980A (en) * | 2012-03-12 | 2012-07-18 | 中国石油大学(华东) | Multiple-interlayer salt cavern gas storage and building method of multiple-interlayer salt cavern gas storage |
| CN102587982A (en) * | 2012-03-12 | 2012-07-18 | 中国石油大学(华东) | Method for constructing underground salt cavern gas storage groups |
-
2012
- 2012-03-12 CN CN 201210062767 patent/CN102587981B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000031376A2 (en) * | 1998-11-20 | 2000-06-02 | Cdx Gas, Llc | Method and system for accessing subterranean deposits from the surface |
| DE10117617A1 (en) * | 2001-04-07 | 2002-10-10 | Ruhrgas Ag | System for storing fluid in underground hollow chamber comprises storage chamber for displacement fluid formed as underground hollow chamber |
| CN101315025A (en) * | 2008-06-05 | 2008-12-03 | 太原理工大学 | Construction method for rock salt cavity gas storage house |
| CN201212387Y (en) * | 2008-06-18 | 2009-03-25 | 北京华油油气技术开发有限公司 | Gas injection, gas production and brine discharge integration process pipe column for underground gas storage |
| CN102587980A (en) * | 2012-03-12 | 2012-07-18 | 中国石油大学(华东) | Multiple-interlayer salt cavern gas storage and building method of multiple-interlayer salt cavern gas storage |
| CN102587982A (en) * | 2012-03-12 | 2012-07-18 | 中国石油大学(华东) | Method for constructing underground salt cavern gas storage groups |
Non-Patent Citations (2)
| Title |
|---|
| 袁光杰等: "盐穴储气库密封性能影响因素", 《天然气工业》, vol. 28, no. 4, 30 April 2008 (2008-04-30) * |
| 袁光杰等: "盐穴储气库密封测试技术的研究及应用", 《石油学报》, vol. 28, no. 4, 31 July 2007 (2007-07-31) * |
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