CN109668789A - A kind of high-temperature packer packing element contact pressure conceptual design device - Google Patents
A kind of high-temperature packer packing element contact pressure conceptual design device Download PDFInfo
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- CN109668789A CN109668789A CN201811556101.1A CN201811556101A CN109668789A CN 109668789 A CN109668789 A CN 109668789A CN 201811556101 A CN201811556101 A CN 201811556101A CN 109668789 A CN109668789 A CN 109668789A
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- packing element
- screw rod
- nut
- casing
- contact pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a kind of high-temperature packer packing element contact pressure conceptual design devices, are mainly made of motor, shaft coupling, primary cylinder gear speed reducer, screw rod, pressure sensor, temperature sensor, heating furnace, foil gauge, spiral duct, nut, jaw clutch, computer, casing, hydraulic pump, oil cylinder, sleeve, frame and packing element；The motor, shaft coupling, primary cylinder gear speed reducer, jaw clutch and matched bolt and nut form compression system, electrothermal furnace, packing element, casing and spiral duct form heating system, and pressure sensor, temperature sensor, foil gauge and computer form TT&C system.Apparatus of the present invention obtain the contact pressure of packing element and casing using the method in sleeve outer wall patch foil gauge, so that stress data is small by extraneous factor interference, it is as a result more accurate；Enrich the acquisition mode of hot environment lower rubber cylinder contact pressure data.
Description
Technical field
The present invention relates to a kind of high-temperature packer packing element contact pressure conceptual design devices, belong to oil and gas exploitation row
The downhole tool technical field or field of petroleum machinery of industry.
Background technique
Packer as the underground important tool being commonly used in petroleum industry, be mainly used for staged and layered exploitation, pressure break,
The techniques such as water filling, water blockoff, packer rely primarily on elastic sealing elements (packing element) packing annular space, completely cut off payzone, with this
Reach each construction technology purpose, the quality of sealing performance directly affects the service efficiency of packer, influence cost of winning and
The benefit of enterprise.In recent years, petroleum resources are continually developed with the mankind, the oil/gas well exploited is almost exhausted, major oil
Tian company solves the problems, such as old oil/gas well shortage of resources, is all made of multistage subsection fracturing technology to obtain more petroleum resources
Or deep-well, ultradeep well drill measure.Such exploitation measure makes the use environment of packer more and more severe, in fact it could happen that envelope
Every device failure, leakage envelope, wrong the problems such as sealing, causes oil/gas well to be scrapped, cause huge economic loss.
In order to guarantee field output, need to improve packer and optimize.Then many scholars at home and abroad are to packing
Structure, material of device packing element etc. have done many theoretical and simulation studies, but the verifying tested is opposite to be made less, especially pair
The experimental verification of packer under the high temperature conditions is with regard to less.Therefore this patent has devised a set of pyrometry packing element and connects
Touch pressure conceptual design device.
Summary of the invention
It is an object of the invention in order to overcome above-mentioned difficult point, spy proposes a kind of high-temperature packer packing element contact pressure scheme
Device is designed, to realize the experimental verification to packer under the high temperature conditions.
The present invention solve this technical problem the technical solution adopted is that:
A kind of high-temperature packer packing element contact pressure conceptual design device, mainly by motor, shaft coupling, primary cylinder gear
Retarder, screw rod, pressure sensor, temperature sensor, heating furnace, foil gauge, spiral duct, nut, jaw clutch, electricity
Brain, casing, hydraulic pump, oil cylinder, sleeve, frame and packing element composition.It is characterized by: the lower end of the motor by shaft coupling with
The input terminal of primary cylinder gear speed reducer is connected, and the output end of the primary cylinder gear speed reducer passes through jaw clutch
It is connected with the upper end of screw rod；The lower end of the screw rod is matched with nut, and the lower end of nut is in contact with pressure sensor upper end,
Pressure sensor lower end is contacted with packing element.The torque that the motor provides passes through shaft coupling, primary cylinder gear speed reducer and tooth
When embedded-type clutch is transmitted on screw rod, screw rod rotation is driven, the nut matched with screw rod is rotated, realized to experiment packing element
Pressurization and off-load；Described sleeve pipe inner wall connects with packing element, and spiral duct is wrapped in sleeve outer wall, spiral duct and electrothermal furnace phase
Even；Circulatory mediator is conduction oil in the spiral duct, and up to 150 DEG C, conduction oil is flowed out by heating furnace and through spiral shell operating temperature
It revolves conduit and carries out circulating oiling, casing is made to meet requirement of experiment；The pressure sensor is connected with computer with temperature sensor,
Strain gauge adhesion is in sleeve outer wall circumferentially direction；The pressure sensor surveys nut to the axial force of packing element, and foil gauge is collected
Casing strain data, then the contact pressure of packing element is obtained by stress-strain relation, temperature sensor monitor conduction oil inflow and
Temperature is flowed out, all of above data access computer by conducting wire and are collected arrangement；The motor, shaft coupling, level-one Cylinder Gear
Wheel decelerator, jaw clutch and matched bolt and nut form compression system, heating furnace and spiral duct composition heating system
System, pressure sensor, temperature sensor, foil gauge and computer form TT&C system.
The high-temperature packer packing element contact pressure conceptual design device, it is characterised in that lifting frame is able to achieve entire reality
Fluid is imported sleeve bottom by the valve that becomes a mandarin by hydraulic pump, increase casing inner frame, drive by the rise and landing of experiment device
Entire experimental provision rises.When frame is raised to designated position, fluid is not closed by outlet stream oil return cylinder and hydraulic pump, makes frame
Stablize, conveniently removes and replace test specimen.
This high-temperature packer packing element contact pressure conceptual design device has the advantage that: (1) apparatus of the present invention are utilized and are being covered
The method that pipe outer wall pastes foil gauge, the contact pressure of packing element and casing is obtained by stress-strain relation, so that stress data
It is small by extraneous factor interference, it is as a result more accurate；(2) apparatus of the present invention enrich adopting for hot environment lower rubber cylinder contact pressure data
Mode set is simple and convenient to operate more accurate effectively (3) apparatus of the present invention structure of the data of acquisition；(4) it is realized using hydraulic pump
The lifting of device, so that replacement test specimen is simply light and handy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high-temperature packer packing element contact pressure conceptual design device of the present invention；
Fig. 2 is the structural schematic diagram of part in frame in Fig. 1；
Fig. 3 is the cross-sectional view of the section B-B in Fig. 2；
Fig. 4 is the structural schematic diagram of frame in the present invention；
Fig. 5 is the side view of frame shown in Fig. 4；
Fig. 6 is the top view of frame shown in Fig. 4；
Fig. 7 is the structural schematic diagram of screw rod in the present invention；
Fig. 8 is the Section A-A cross-sectional view of Fig. 7；
Fig. 9 is the structural schematic diagram of nut in the present invention；
In figure: 1. motors, 2. shaft couplings, 3. primary cylinder gear speed reducers, 4. screw rods, 5. pressure sensors, 6. temperature
Sensor, 7. heating furnaces, 8. foil gauges, 9. spiral ducts, 10. nuts, 11. jaw clutches, 12. computers, 13. is hydraulic
Pump, 14. oil cylinders, 15. casings, 16. packing elements, 17. sleeves, 18. frames.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in figs 1-9, a kind of high-temperature packer packing element contact pressure conceptual design device is mainly by motor (1), shaft coupling
Device (2), screw rod (4), pressure sensor (5), temperature sensor (6), heating furnace (7), is answered at primary cylinder gear speed reducer (3)
Become piece (8), spiral duct (9), nut (10), jaw clutch (11), computer (12), hydraulic pump (13), oil cylinder (14), set
Manage (15), packing element (16), sleeve (17) and frame (18) composition, it is characterised in that:
The lower end of the motor (1) is connected by shaft coupling (2) with the input terminal of primary cylinder gear speed reducer (3), institute
The output end for stating primary cylinder gear speed reducer (3) is connected by jaw clutch (11) with the upper end of screw rod (4)；
The lower end of the screw rod (4) is matched with nut (10), lower end and pressure sensor (5) upper end phase of nut (10)
Contact, pressure sensor (5) lower end is contacted with packing element (16)；
The torque that the motor (1) provides passes through shaft coupling (2), primary cylinder gear speed reducer (3) and jaw clutch
When device (11) is transmitted on screw rod (4), screw rod (4) rotation is driven, the nut (10) matched with screw rod (4) is rotated, is realized
To the Load-unload of experiment packing element (16)；
Described sleeve pipe (15) inner wall connects with packing element (16), and spiral duct (8) is wrapped in casing (15) outer wall, spiral duct
(8) it is connected with electrothermal furnace (7)；
Circulatory mediator is conduction oil in the spiral duct (8), and operating temperature is 150 DEG C, and conduction oil is flowed by heating furnace (7)
Circulating oiling is carried out out and through spiral duct (8), casing (15) is made to meet requirement of experiment；
The pressure sensor (5) is connected with computer (12) with temperature sensor (6), and foil gauge (8) is pasted onto casing
(15) outer wall circumferentially direction；
The pressure sensor (5) surveys nut (10) to the axial force of packing element (16), and foil gauge (8) is collected casing (13) and answered
Parameter evidence, then the contact pressure of packing element (16) is obtained by stress-strain relation, temperature sensor (6) monitor conduction oil inflow and
Temperature is flowed out, all of above data are collected arrangement by conducting wire access computer (12)；
The motor (1), shaft coupling (2), primary cylinder gear speed reducer (3), jaw clutch (11) and matched
Screw rod (4) nut (10) composition compression system, heating furnace (7) and spiral duct (9) composition heating system, pressure sensor (5),
Temperature sensor (6), foil gauge (8) and computer (12) form TT&C system；
As shown in Fig. 2, the high-temperature packer packing element contact pressure conceptual design device, it is characterised in that lifting frame
(18) it is able to achieve the rise and landing of entire experimental provision, sleeve (17) bottom is directed fluid by hydraulic pump (13), makes to cover
Cylinder (17) inner frame (18) rises, and entire experimental provision is driven to rise.When frame (18) is raised to designated position, fluid is by exporting
It flows back to oil cylinder (14) and hydraulic pump (13) is not closed, stablize frame (18), conveniently remove and replace test specimen.
As shown in Fig. 2, the high-temperature packer packing element contact pressure conceptual design device, it is characterised in that be guarantee test
In the process in motor (1) operation process, not because the vigorous motion of motor (1) causes frame (18) to glide, at the top of sleeve (17)
It drills and is inserted into pin, keep frame (18) fixed.
Specific embodiment described above is used for the range illustrated the present invention without limiting the present invention, the skill of any this field
Art personnel equivalent changes and modifications made under the premise of not departing from conceptions and principles of the invention, belong to guarantor of the invention
Protect range.
Claims (1)
1. a kind of high-temperature packer packing element contact pressure conceptual design device is mainly by motor (1), shaft coupling (2), level-one cylinder
Gear reduction unit (3), screw rod (4), pressure sensor (5), temperature sensor (6), heating furnace (7), foil gauge (8), spiral are led
Manage (9), nut (10), jaw clutch (11), computer (12), hydraulic pump (13), oil cylinder (14), casing (15), packing element
(16), sleeve (17) and frame (18) composition, it is characterised in that:
The lower end of the motor (1) is connected by shaft coupling (2) with the input terminal of primary cylinder gear speed reducer (3), and described one
The output end of grade cylinder gear speed reducer (3) is connected by jaw clutch (11) with the upper end of screw rod (4)；
The lower end of the screw rod (4) is matched with nut (10), and the lower end of nut (10) connects with pressure sensor (5) upper end
Touching, pressure sensor (5) lower end is contacted with packing element；
The torque that the motor (1) provides passes through shaft coupling (2), primary cylinder gear speed reducer (3) and jaw clutch
(11) when being transmitted on screw rod (4), screw rod (4) rotation is driven, the nut (10) matched with screw rod (4) is rotated, realization pair
Test the pressurization and off-load of packing element (16)；
Described sleeve pipe (15) inner wall connects with packing element (16), and spiral duct (8) is wrapped in casing (15) outer wall, spiral duct (8)
It is connected with electrothermal furnace (7)；
Circulatory mediator is conduction oil in the spiral duct (8), and up to 150 DEG C, conduction oil is flowed out operating temperature by heating furnace (7)
And circulating oiling is carried out through spiral duct (8), so that casing (13) is met requirement of experiment；
The pressure sensor (5) is connected with computer (12) with temperature sensor (6), and foil gauge (8) is pasted onto casing (13)
Outer wall circumferentially direction；
The pressure sensor (5) surveys nut (10) to the axial force of packing element (16), and foil gauge (8) is collected casing (15) stress and answered
Parameter evidence, then the contact pressure of packing element (16) is obtained by stress-strain relation, temperature sensor (6) monitor conduction oil inflow and
Temperature is flowed out, all of above data are collected arrangement by conducting wire access computer (12)；
The motor (1), shaft coupling (2), primary cylinder gear speed reducer (3), jaw clutch (11) and matched screw rod
(4) nut (10) forms compression system, and heating furnace (7) and spiral duct (9) form heating system, pressure sensor (5), temperature
Sensor (6), foil gauge (8) and computer (12) form TT&C system；
The lifting frame (18) is able to achieve the rise and landing of entire experimental rig, directs fluid into set by hydraulic pump (13)
Cylinder (17) bottom, rises sleeve (17) inner frame (18), and entire experimental provision is driven to rise；When frame (18) is raised to specific bit
When setting, fluid is not closed by outlet stream oil return cylinder (14) and hydraulic pump (13), is stablized frame (18), is conveniently removed and replace
Test specimen；When extracting sleeve (17) interior fluid out, frame (18) declines under the gravity of device, realizes answering for experimental rig
Position；
The high-temperature packer packing element contact pressure conceptual design device, it is characterised in that the torque that motor (1) provides passes through
When in shaft coupling (2), primary cylinder gear speed reducer (3) and jaw clutch transmitting (11) to screw rod (4), screw rod is driven
(4) it rotates, rotates the nut (10) matched with screw rod (4), realize pressurization and off-load to experiment packing element (16)；Conduction oil
It is flowed out by heating furnace (7) and carries out circulating oiling through spiral duct (9), casing (15) is made to meet requirement of experiment；Pressure sensor
(5) nut (10) are surveyed to the axial force of packing element (16), foil gauge (8) collects casing (15) stress-strain data, then is answered by stress
Change relationship obtains the contact pressure of packing element (16), and temperature sensor (6) monitors the stream into and out temperature of conduction oil, all of above
Data are collected arrangement by conducting wire access computer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556101.1A CN109668789A (en) | 2018-12-19 | 2018-12-19 | A kind of high-temperature packer packing element contact pressure conceptual design device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556101.1A CN109668789A (en) | 2018-12-19 | 2018-12-19 | A kind of high-temperature packer packing element contact pressure conceptual design device |
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| Publication Number | Publication Date |
|---|---|
| CN109668789A true CN109668789A (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556101.1A Pending CN109668789A (en) | 2018-12-19 | 2018-12-19 | A kind of high-temperature packer packing element contact pressure conceptual design device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2545217A1 (en) * | 1983-04-26 | 1984-11-02 | Atomic Energy Authority Uk | APPARATUS FOR THE STUDY OF CRACKS PROPAGATION IN STEEL THICK PLATES FOR PRESSURE ENCLOSURES |
| CN101025083A (en) * | 2006-10-18 | 2007-08-29 | 西南石油大学 | Experiment method for packer working performance and apparatus thereof |
| CN201834710U (en) * | 2010-10-28 | 2011-05-18 | 赵德连 | Loading and unloading hanger for containers of factories |
| CN204536125U (en) * | 2015-03-03 | 2015-08-05 | 中国石油天然气股份有限公司 | A kind of experiment detection device of high-temperature packer packing element |
| CN107442002A (en) * | 2017-08-09 | 2017-12-08 | 程俊杰 | A kind of mixing and blending machine automation control system |
| CN207231774U (en) * | 2017-08-29 | 2018-04-13 | 中国海洋石油总公司 | A kind of packing element brief test device of achievable high/low temperature alternation environment |
| CN207231775U (en) * | 2017-08-29 | 2018-04-13 | 中国海洋石油总公司 | A kind of self-sealed packing element experimental tool of high temperature resistant |
| CN108942438A (en) * | 2018-08-27 | 2018-12-07 | 洛阳理工学院 | A kind of oscillating mechanism of internal grinder |
-
2018
- 2018-12-19 CN CN201811556101.1A patent/CN109668789A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2545217A1 (en) * | 1983-04-26 | 1984-11-02 | Atomic Energy Authority Uk | APPARATUS FOR THE STUDY OF CRACKS PROPAGATION IN STEEL THICK PLATES FOR PRESSURE ENCLOSURES |
| CN101025083A (en) * | 2006-10-18 | 2007-08-29 | 西南石油大学 | Experiment method for packer working performance and apparatus thereof |
| CN201834710U (en) * | 2010-10-28 | 2011-05-18 | 赵德连 | Loading and unloading hanger for containers of factories |
| CN204536125U (en) * | 2015-03-03 | 2015-08-05 | 中国石油天然气股份有限公司 | A kind of experiment detection device of high-temperature packer packing element |
| CN107442002A (en) * | 2017-08-09 | 2017-12-08 | 程俊杰 | A kind of mixing and blending machine automation control system |
| CN207231774U (en) * | 2017-08-29 | 2018-04-13 | 中国海洋石油总公司 | A kind of packing element brief test device of achievable high/low temperature alternation environment |
| CN207231775U (en) * | 2017-08-29 | 2018-04-13 | 中国海洋石油总公司 | A kind of self-sealed packing element experimental tool of high temperature resistant |
| CN108942438A (en) * | 2018-08-27 | 2018-12-07 | 洛阳理工学院 | A kind of oscillating mechanism of internal grinder |
Non-Patent Citations (1)
| Title |
|---|
| 何祖清: "注水管柱温度场计算模型研究", 《长江大学学报》 * |
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Application publication date: 20190423 |