CN107201899A - Formation fluid pressure measurement apparatus - Google Patents
Formation fluid pressure measurement apparatus Download PDFInfo
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- CN107201899A CN107201899A CN201710625224.5A CN201710625224A CN107201899A CN 107201899 A CN107201899 A CN 107201899A CN 201710625224 A CN201710625224 A CN 201710625224A CN 107201899 A CN107201899 A CN 107201899A
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- 239000012530 fluid Substances 0.000 title claims abstract description 104
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 74
- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims description 28
- 239000010720 hydraulic oil Substances 0.000 claims description 27
- 238000004088 simulation Methods 0.000 claims description 11
- 239000011435 rock Substances 0.000 claims description 8
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000035699 permeability Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005755 formation reaction Methods 0.000 description 51
- 239000007788 liquid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of formation fluid pressure measurement apparatus, it is related to oil exploration technology field, solves the technical problem that the single measuring point present in prior art not in fracture orientation will be unable to monitor to transmit pressure value.The formation fluid pressure measurement apparatus of the present invention includes heart sample block, formation fluid analog module, strata pressure analog module and data processing module, different lithology, the stratum of different permeabilities and strata pressure can be simulated indoors by formation fluid analog module, and the pressure transmission situation on core sample different directions can effectively be monitored by pressure monitoring component, make the result of pressure measxurement accurately and reliably.
Description
Technical field
The present invention relates to oil exploration technology field, a kind of particularly formation fluid pressure measurement apparatus.
Background technology
Existing shale well wall stability grinds the engineering hardly possible for making internal disorder or usurp and always extremely paying close attention to and fail both at home and abroad and solving very well
Topic, is also to restrict one of key factor of China's oilfield prospecting developing speed.Therefore, grinding the Pressure Transmission that makes internal disorder or usurp contributes to
Recognize the mechanism of mud shale borehole well instability.The principle of Pressure Transmission experimental simulation is the permeability by evaluating mud shale
Come what is realized.The permeability of mud shale is to evaluate the major parameter of mud shale pressure gradient characteristics under hydraulic pressuring difference effect.
Existing monitoring device is by setting up several pressure taps.The pressure value of these pressure taps can be represented by the null circle
The pressure in section.When liquid enters porous media rock core, the pressure from liquid inlet to liquid outlet is different, is so just formed
Barometric gradient.The difference of barometric gradient can reflect the situation of change of permeability.
Existing monitoring device is present when mud shale produces crack, in pressure transfer process, not in fracture orientation
Single measuring point the problem of will be unable to monitor transmission pressure value.
The content of the invention
The present invention provides a kind of formation fluid pressure measurement apparatus, for solving present in prior art not in crack side
Single measuring point on position will be unable to the technical problem for monitoring to transmit pressure value.
The present invention provides a kind of formation fluid pressure measurement apparatus, including core sample module, formation fluid analog module,
Strata pressure analog module and data processing module；The formation fluid analog module respectively with the core sample module and
The strata pressure analog module is connected, and is provided with the core sample module for monitoring core sample in different directions
The pressure monitoring component of pressure, the pressure monitoring component is electrically connected with the data processing module；
The core sample module includes housing, the packing element positioned at the enclosure interior and positioned at the housing two ends
Plug；
Fluid containment area is provided between the outer wall of the inwall of the housing and the packing element；
The two ends of the packing element are provided with the second stop plug, and being internally provided with for the packing element is used to place core sample
The chamber of product, the pressure monitoring component is arranged on the outer wall of the packing element；
The pressure source joint being connected with the fluid containment area is provided with the housing, the formation fluid simulates mould
Block is connected with the pressure source joint.
In one embodiment, it is arranged with support member on the outer wall of the packing element, the support member is along the housing
Axial spaced set；
The support member includes being provided with the measuring claw extended in a radial direction, the measuring claw and is connected with the chamber
Logical mounting hole, the pressure monitoring component is separately positioned in the mounting hole.
In one embodiment, each pressure monitoring component is light with the surface that the core sample is in contact
Sliding transition face；
Measuring pressure passage is offered in each pressure monitoring component, the measuring pressure passage is connected with the chamber.
In one embodiment, the plug is included positioned at the first stop plug of the shell one end and positioned at institute
State the regulation plug of the housing other end, multiple annulars are equipped with the outer wall of the first stop plug and the regulation plug
Sealing ring is equipped with groove, each annular groove.
In one embodiment, the first stop plug and the regulation plug are in contact with the core sample
Surface is equipped with corrosion-resistant coating.
In one embodiment, inlet and leakage fluid dram, the feed liquor are respectively arranged with the first stop plug
Mouth and the leakage fluid dram are connected with the chamber respectively；
The inlet and the leakage fluid dram are set on the axisymmetrical of the first stop plug.
In one embodiment, air inlet pipeline is provided with the fluid containment area, one end of the air inlet pipeline is worn
Cross the first stop plug and be connected with strata pressure analog module, the other end through it is described regulation plug and with the chamber
It is connected.
In one embodiment, set is provided with the rock core pad being made up of exotic material on the outer wall of the packing element.
In one embodiment, the formation fluid analog module includes cylinder body and the work positioned at the cylinder interior
Plug, the cylinder body includes the simulation of the opposite side positioned at the high-pressure and hydraulic oil pocket of the side of the piston and positioned at the piston
Formation fluid chamber；
Hydraulic oil inlet and exhaust outlet are offered respectively on the high-pressure and hydraulic oil pocket；
Simulated formation fluid issuing and simulated formation fluid-infusing port are offered respectively on the simulated formation fluid cavity；
The hydraulic oil inlet is connected with the strata pressure analog module, the simulated formation fluid issuing and pressure
Source joint is connected.
In one embodiment, the strata pressure analog module includes magnetic valve, pressurized cylinder and hydraulic pump, described
Magnetic valve is connected with the hydraulic oil inlet；The pressurized cylinder is connected with the magnetic valve and the hydraulic pump respectively.
Compared with prior art, the advantage of the invention is that：It can be simulated indoors not by formation fluid analog module
Same lithology, the stratum of different permeabilities and strata pressure, and can effectively be monitored positioned at core sample by pressure monitoring component
Pressure transmission situation on product different directions, makes the result of pressure measxurement accurately and reliably.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is the structural representation of the formation fluid pressure measurement apparatus in embodiments of the invention；
Fig. 2 is the sectional view of the core sample module in embodiments of the invention；
Fig. 3 is the longitudinal sectional view of the packing element shown in Fig. 2.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Reference：
1- core sample modules；2- formation fluid analog modules；3- strata pressure analog modules；
4- data processing modules；5- pressure monitoring components；6- core samples；
7- support members；11- housings；12- packing elements；
13- plugs；14- fluid containments area；15- rock core pads；
16- the second stop plugs；21- cylinder bodies；22- pistons；
31- magnetic valves；32- pressurized cylinders；33- hydraulic pumps；
41- controllers 41；42- signal acquisition parts；43- lead parts；
51- measuring pressure passages；71- measuring claws；111- pressure source joints；
121- chambers；131- the first stop plugs；132- adjusts plug；
133- sealing rings；134- inlets；135- leakage fluid drams；
136- air inlet pipelines；211- high-pressure and hydraulic oil pockets；212- simulated formation fluid cavitys；
213- hydraulic oil inlets；214- exhaust outlets；215- simulated formation fluid issuings；
216- simulated formations fluid is noted
Entrance.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, the present invention provides a kind of formation fluid pressure measurement apparatus, including core sample module 1, laminar flow
Body analog module 2, strata pressure analog module 3 and data processing module 4；Formation fluid analog module 2 respectively with core sample
Product module 1 is connected with strata pressure analog module 3, is provided with core sample module 1 for monitoring rock core in different directions
The pressure monitoring component 5 of the pressure transmission size of sample, pressure monitoring component 5 is electrically connected with data processing module 4.
Formation fluid analog module 2 is arranged between core sample module 1 and strata pressure analog module 3, according to experiment
It is required that, replaceable fluid of different nature simulates true formation fluid, under simulation different pressures, formation fluid of different nature
Seepage flow in different lithology, the rock core of different permeabilities.
As shown in Fig. 2 core sample module 1 includes housing 11, the packing element 12 inside housing 11 and positioned at housing
The plug 13 at 11 two ends, wherein, it is provided with fluid containment area 14 between the inwall of housing 11 and the outer wall of packing element 12.
The two ends of packing element 12 are provided with the second stop plug 16, and being internally provided with for packing element 12 is used to place core sample
6 chamber 121, pressure monitoring component 5 is arranged on the outer wall of packing element 12.The end face of second stop plug 16 respectively with packing element 12
Two ends abut against, so as to serve support and the effect of fixed packing element 12.
Be provided with the pressure source joint 111 being connected with fluid containment area 14 on housing 11, formation fluid analog module 2 with
Pressure source joint 111 is connected.
The high pressure liquid injected by pressure source joint 111 into fluid containment area 14 in formation fluid analog module 2
Body, until the pressure in fluid containment area 14 reaches predetermined value, then shows to have met the environment of high pressure, just stops injection liquid.
Now, pressure in the fluid containment area 14 truly can cover pressure condition by simulated formation.
Pressure monitoring component 5 is used for the pressure for monitoring core sample 6, and its fixed form is as follows：Covered on the outer wall of packing element 12
Provided with support member 7, axial spaced set of the support member 7 along housing 11；On the outer wall of support member 7 along the circumferential direction equally spacedly
Measuring claw 71 (being such as symmetrically arranged 4) is provided with, as shown in figure 3, being provided with the peace being connected with chamber 121 in measuring claw 71
Hole is filled, pressure monitoring component 5 is separately positioned in mounting hole.
In addition, each pressure monitoring component 5 is the face of smoothly transitting with the surface that core sample 6 is in contact；So that pressure
Monitoring assembly 5 can fit with the side surface of core sample 6.Further, since the pressure monitoring component 5 and the phase of core sample 6
The surface of contact is that the face of smoothly transitting can make it that the contact between pressure monitoring component 5 and core sample 6 is even closer, it is to avoid
It is apertured between the two to exist.Further, it is to avoid because having gap between pressure monitoring component 5 and core sample 6
Or distance, and cause both pressure measurement pipelines of connection because itself carrying pressure measurement resistance, to lead to not truly reflect core sample 6
Surface pressing transmission situation the drawbacks of.
Further, measuring pressure passage 51, measuring pressure passage 51 and chamber 121 are offered in each pressure monitoring component 5
It is connected.So, when injecting circulation of fluid with pressure into chamber 121, the circulation of fluid penetrated into core sample 6 enters
To after the measuring pressure passage 51, the pressure monitoring component 5 can detect pressure value now at this, and the pressure value is believed with pressure
Number form pass to data processing module 4.
Specifically, data processing module 4 includes controller 41 and the letter electrically connected respectively with each pressure monitoring component 5
Number collection part 42, signal acquisition part 42 can by screw be fixedly mounted housing 11 inside.The signal acquisition part 42 is used for will pressure
Force signal is converted into electric signal.The representative pressure value that i.e. the signal acquisition part 42 can monitor each pressure monitoring component 5
Pressure signal be converted into electric signal output.
In one embodiment, plug 13 is included positioned at the first stop plug 131 of the one end of housing 11 and positioned at housing
It is recessed that multiple annulars are equipped with the outer wall of the regulation plug 132 of 11 other ends, the first stop plug 131 and regulation plug 132
Sealing ring 133 is equipped with groove, each annular groove., being capable of the effectively sealing of plug 13 at work by sealing ring 133
Property, improve the effect of experiment.
Specifically, the first stop plug 131 is placed through the second stop plug 16 and and core sample of the left end of packing element 12
One end of product 6 is abutted against；Similarly, regulation plug 132 is placed through the second stop plug 16 and and rock core of the right-hand member of packing element 12
One end of sample 6 is abutted against, so as to provide axial pressure for core sample 6；Meanwhile, also play support and fixed core sample
The effect of product 6.
First stop plug 131 and regulation plug 132 are equipped with corrosion-resistant coating, energy with the surface that core sample 6 is in contact
The surface of the first stop plug 131 and regulation plug 132 is enough effectively protected, so as to improve its service life.
Inlet 134 and leakage fluid dram 135, inlet 134 and leakage fluid dram 135 are respectively arranged with first stop plug 131
It is connected respectively with chamber 121；Inlet 134 and leakage fluid dram 135 are set on the axisymmetrical of the first stop plug 131.It is logical
Cross circulation of fluid of the injection with pressure into inlet 134 so that after the circulation of fluid enters in chamber 121, part warp
Leakage fluid dram 135 is exported, and another part is then penetrated into core sample 6, realizes simulated formation Fluid pressure in core sample 6
The transmission situation of dynamic and static pressure in (the mud shale heart containing crack), now, recycles pressure monitoring component 5 to measure
The variable gradient of pressure.
Wherein, the circulation of fluid with pressure comes from formation fluid analog module 2 in inlet 134.
In addition, be fixedly mounted on the lead part 43 that above-mentioned signal acquisition part 42 is electrically connected in the first stop plug 131, should
Lead part 43 can be high-temp. high-voltage lead.The lead part 43 has high temperature resistant and high voltage bearing characteristic, it is thus possible to ensure letter
Number electric signal that changes into of collection part 42 is successfully output in controller 41, so that complete the multi-section multi-measuring point of the part
The real-time monitoring of pressure transmission.
In the present embodiment, it is provided with air inlet pipeline 136 in fluid containment area 14, one end of air inlet pipeline 136 is through the
One stop plug 131 is simultaneously connected with strata pressure analog module 3, and the other end is connected through regulation plug 132 and with chamber 121
It is logical.Gas can be injected into chamber 121 by air inlet pipeline 136, so, when the pressure in the chamber 121 is less than or connects
During pressure in nearly fluid containment area 14, then show that the pressure in the chamber 121 has met detection requirement.Into the chamber 121
The purpose of injection gas is that it is possible to true simulation in the strata pressure situation suffered by core sample 6 in stratum.
Further, set is provided with the rock core pad 15 being made up of exotic material on the outer wall of packing element 12.To packing element 12
To the effect of protection.
As shown in figure 1, formation fluid analog module 2 includes cylinder body 21 and the piston 22 inside cylinder body 21, cylinder body
21 include the simulated formation fluid cavity of the opposite side positioned at the high-pressure and hydraulic oil pocket 211 of the side of piston 22 and positioned at piston 22
212；Hydraulic oil inlet 213 and exhaust outlet 214 are offered on high-pressure and hydraulic oil pocket 211 respectively；Divide on simulated formation fluid cavity 212
Simulated formation fluid issuing 215 and simulated formation fluid-infusing port 216 are not offered；Hydraulic oil inlet 213 and strata pressure mould
Intend module 3 to be connected, simulated formation fluid issuing 215 is connected with pressure source joint 111.
High pressure liquid force feed is entered in high-pressure and hydraulic oil pocket 211 by hydraulic oil inlet 213, and hydraulic oil acts on piston 22
On.The opposite side of piston 22 is simulated formation fluid cavity 212, and piston 19 is by high-pressure and hydraulic oil pocket 211 and simulated formation fluid cavity
212 keep apart, and prevent hydraulic oil pollution formation fluid, influence experiment effect.In experimentation, simulated formation fluid is through simulation
Formation fluid outlet 215 enters in fluid containment area 14, therefore formation fluid can lose, and volume is reduced.After experiment terminates,
Open exhaust outlet 214 and formation fluid is supplemented to formation fluid analog module by formation fluid inlet 216, make for experiment next time
With.
Strata pressure analog module 3 includes magnetic valve 31, pressurized cylinder 32 and hydraulic pump 33, and magnetic valve 31 enters with hydraulic oil
Mouth 213 is connected；Pressurized cylinder 32 is connected with magnetic valve 31 and hydraulic pump 33 respectively.
Strata pressure analog module 3 provides the high-pressure fluid of different pressures to formation fluid analog module 2, for simulating ground
Stressor layer.The module of strata pressure analog module 3 includes magnetic valve 31, pressurized cylinder 32, flow speed control valve, solenoid directional control valve, hydraulic pump 33
And motor.The pressure of hydraulic oil is acted on core sample 6 by formation fluid analog module 2, really is laminated to simulate
Power.Because the output pressure of hydraulic pump 33 is limited, to simulate the strata pressure of bigger pressure limit, amplified using pressurized cylinder 32
The method simulated formation pressure of the output pressure of hydraulic pump 33.
Motor is connected with hydraulic pump 33, and first interface of solenoid directional control valve is connected with hydraulic pump 33；Second interface
It is connected with cooler, cooler is connected with filter；The interface phase that 3rd interface passes through bidirectional hydraulic lock and flow speed control valve
Logical, flow speed control valve is connected with the cavity of resorption of pressurized cylinder 32；4th interface is connected by bidirectional hydraulic lock with the epicoele of pressurized cylinder 32.
The epicoele of pressurized cylinder 32 is also connected with magnetic valve 31.The oil-out of hydraulic pump 33 is further connected with overflow valve.
In use, to motor, driving hydraulic pump 33 to turn round, high pressure liquid force feed passes through reversal valve, then by two-way
Hydraulic lock enters the cavity of resorption of pressurized cylinder 32 with flow speed control valve, by the pressurization of pressurized cylinder 32, and the pressure value of hydraulic oil is increasing
The epicoele of cylinder pressure 32 is exaggerated, and by entering formation fluid analog module 2 after magnetic valve 31, then acts on core sample 6, mould
Pseudo-reservoir pressure.Reversal valve control the inner carrier of pressurized cylinder 32 the direction of motion, hydraulic oil enter pressurized cylinder 32 cavity of resorption, piston to
On move to behind the epicoele top of pressurized cylinder 32, control reversal valve closes magnetic valve 31, and hydraulic oil acts on the upper of pressurized cylinder 32
Chamber top, piston is moved downward, and is returned to the cavity of resorption low side of pressurized cylinder 32, is restPosed.When needing to be pressurized again, control is changed
Make hydraulic oil into the cavity of resorption of hydraulic cylinder 12 to valve, piston is moved again up, amplify the output pressure of hydraulic pump 33, simulation ground
Stressor layer.The movement velocity of piston 22 in flow speed control valve control cylinder body 21, makes the pressure of the epicoele of cylinder body 21 at the uniform velocity increase, retentively
The stability that stressor layer increases, improves strata pressure control accuracy.After strata pressure is increased to numerical value set in advance, electromagnetism
The hydraulic power source of formation fluid analog module 2 can be cut off in valve 31, and then keeps the strata pressure in core sample 6.Now hydraulic pump
33 can stop operating, to save energy.When strata pressure reduces, hydraulic pump 33 is opened, and continues through formation fluid simulation mould
Block 2 provides simulated formation fluid to core sample 6, and until strata pressure is close with preset value, hydraulic pump 33 shuts down again.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as in the absence of structure punching
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of formation fluid pressure measurement apparatus, it is characterised in that including core sample module (1), formation fluid simulation mould
Block (2), strata pressure analog module (3) and data processing module (4)；The formation fluid analog module (2) respectively with institute
State core sample module (1) with the strata pressure analog module (3) to be connected, use is provided with the core sample module (1)
In the pressure monitoring component (5) for monitoring core sample pressure in different directions, the pressure monitoring component (5) and the data
Processing module (4) is electrically connected；
The core sample module (1) includes housing (11), positioned at the internal packing element (12) of the housing (11) and positioned at institute
State the plug (13) at housing (11) two ends；
Fluid containment area (14) is provided between the inwall of the housing (11) and the outer wall of the packing element (12)；
The two ends of the packing element (12) are provided with the second stop plug (16), and being internally provided with for the packing element (12) is used to put
The chamber (121) of core sample (6) is put, the pressure monitoring component (5) is arranged on the outer wall of the packing element (12)；
The pressure source joint (111) being connected with the fluid containment area (14), the stratum are provided with the housing (11)
Fluid simulation module (2) is connected with the pressure source joint (111).
2. formation fluid pressure measurement apparatus according to claim 1, it is characterised in that on the outer wall of the packing element (12)
It is arranged with support member (7), axial spaced set of the support member (7) along the housing (11)；
The support member (7) include being provided with the measuring claw (71) that extends in a radial direction, the measuring claw (71) with it is described
The mounting hole that chamber (121) is connected, the pressure monitoring component (5) is separately positioned in the mounting hole.
3. formation fluid pressure measurement apparatus according to claim 2, it is characterised in that each pressure monitoring component
(5) surface being in contact with the core sample (6) is the face of smoothly transitting；
Measuring pressure passage (51), the measuring pressure passage (51) and the chamber are offered in each pressure monitoring component (5)
(121) it is connected.
4. the formation fluid pressure measurement apparatus according to any claim in claim 1-3, it is characterised in that described
Plug (13) is included positioned at the first stop plug (131) of the housing (11) one end and positioned at the housing (11) other end
Regulation plug (132), the first stop plug (131) and it is described regulation plug (132) outer wall on be equipped with multiple circles
Sealing ring (133) is equipped with annular groove, each annular groove.
5. formation fluid pressure measurement apparatus according to claim 4, it is characterised in that the first stop plug
(131) and it is described regulation plug (132) be equipped with corrosion-resistant coating with the surface that the core sample (6) is in contact.
6. formation fluid pressure measurement apparatus according to claim 5, it is characterised in that the first stop plug
(131) inlet (134) and leakage fluid dram (135), the inlet (134) and the leakage fluid dram (135) point are respectively arranged with
It is not connected with the chamber (121)；
The inlet (134) and the leakage fluid dram (135) are set on the axisymmetrical of the first stop plug (131).
7. formation fluid pressure measurement apparatus according to claim 6, it is characterised in that in the fluid containment area (14)
Air inlet pipeline (136) is provided with, one end of the air inlet pipeline (136) passes through the first stop plug (131) and and stratum
Pressure simulation module (3) is connected, and the other end is connected through the regulation plug (132) and with the chamber (121).
8. formation fluid pressure measurement apparatus according to claim 1 or 2, it is characterised in that outside the packing element (12)
Set is provided with the rock core pad (15) being made up of exotic material on wall.
9. formation fluid pressure measurement apparatus according to claim 1 or 2, it is characterised in that the formation fluid simulation
Module (2) includes cylinder body (21) and positioned at the internal piston (22) of the cylinder body (21), and the cylinder body (21) includes being located at institute
State the simulated formation fluid of the high-pressure and hydraulic oil pocket (211) of the side of piston (22) and the opposite side positioned at the piston (22)
Chamber (212)；
Hydraulic oil inlet (213) and exhaust outlet (214) are offered respectively on the high-pressure and hydraulic oil pocket (211)；
Simulated formation fluid issuing (215) and simulated formation fluid note are offered on the simulated formation fluid cavity (212) respectively
Entrance (216)；
The hydraulic oil inlet (213) is connected with the strata pressure analog module (3), the simulated formation fluid issuing
(215) it is connected with pressure source joint (111).
10. formation fluid pressure measurement apparatus according to claim 9, it is characterised in that the strata pressure simulates mould
Block (3) includes magnetic valve (31), pressurized cylinder (32) and hydraulic pump (33), the magnetic valve (31) and the hydraulic oil inlet
(213) it is connected；The pressurized cylinder (32) is connected with the magnetic valve (31) and the hydraulic pump (33) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625224.5A CN107201899A (en) | 2017-07-27 | 2017-07-27 | Formation fluid pressure measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625224.5A CN107201899A (en) | 2017-07-27 | 2017-07-27 | Formation fluid pressure measurement apparatus |
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| CN107201899A true CN107201899A (en) | 2017-09-26 |
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ID=59911328
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| CN201710625224.5A Pending CN107201899A (en) | 2017-07-27 | 2017-07-27 | Formation fluid pressure measurement apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107468A (en) * | 2020-01-13 | 2021-07-13 | 中国石油天然气股份有限公司 | Clamping device for rock cementing model |
| US11067492B2 (en) * | 2018-05-31 | 2021-07-20 | Southwest Petroleum University | Physical simulation and calibration device and method for formation pressure testing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748015A (en) * | 2011-04-22 | 2012-10-24 | 中国石油化工股份有限公司 | Device and method for simulating formation pressure |
| RU2572476C2 (en) * | 2014-05-30 | 2016-01-10 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тюменский государственный университет" | Device for determination of phase permeability |
| US20160040533A1 (en) * | 2013-03-14 | 2016-02-11 | Schlumberger Technology Corporation | Pressure Volume Temperature System |
| CN105974096A (en) * | 2016-07-27 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core fluid saturation pressure withstanding measuring device |
| CN105973919A (en) * | 2016-07-28 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core holding unit |
-
2017
- 2017-07-27 CN CN201710625224.5A patent/CN107201899A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748015A (en) * | 2011-04-22 | 2012-10-24 | 中国石油化工股份有限公司 | Device and method for simulating formation pressure |
| US20160040533A1 (en) * | 2013-03-14 | 2016-02-11 | Schlumberger Technology Corporation | Pressure Volume Temperature System |
| RU2572476C2 (en) * | 2014-05-30 | 2016-01-10 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тюменский государственный университет" | Device for determination of phase permeability |
| CN105974096A (en) * | 2016-07-27 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core fluid saturation pressure withstanding measuring device |
| CN105973919A (en) * | 2016-07-28 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core holding unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11067492B2 (en) * | 2018-05-31 | 2021-07-20 | Southwest Petroleum University | Physical simulation and calibration device and method for formation pressure testing |
| CN113107468A (en) * | 2020-01-13 | 2021-07-13 | 中国石油天然气股份有限公司 | Clamping device for rock cementing model |
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