CN208224012U - A kind of condensate saturation measuring device in rock core - Google Patents
A kind of condensate saturation measuring device in rock core Download PDFInfo
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- CN208224012U CN208224012U CN201820947845.5U CN201820947845U CN208224012U CN 208224012 U CN208224012 U CN 208224012U CN 201820947845 U CN201820947845 U CN 201820947845U CN 208224012 U CN208224012 U CN 208224012U
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- rock core
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- cabinet
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Abstract
The utility model discloses the condensate saturation measuring devices in a kind of rock core, including cabinet and rock core sample, the cabinet is bolted to connection on bracket, the box house middle position is equipped with clamping piece, the rock core sample is mounted on clamping piece upper end, the utility model is by the way that rock core sample to be fixed in cabinet, in rock core sample end, installation block is used for seal core, rock core internal environment is isolated from the outside world, reduce influence of the external environment to rock core sample, by the first constant-flux pump to being filled with water sample in rock core sample, rock core is facilitated to absorb moisture, second constant-flux pump absorbs the oil sample in fuel tank, oil sample is added to inside rock core, so that rock core constantly absorbs oil sample, it is only fuel-displaced within the time of experiment setting inside rock core sample, when water outlet, degree of saturation is reached, then it is measured with graduated cylinder It is high to calculate condensate saturation degree, convenience of calculation, and precision according to related experiment formula for Produced Liquid.
Description
Technical field
Condensate saturation measuring device the utility model relates to condensate technical field, in specially a kind of rock core.
Background technique
Rock core core, according to geological prospecting work or the needs of engineering, using cyclic annular core bit and other coring tools,
The cylindric rock sample taken out out of hole.The ore rock or ore taken out from the ore body or ore bed of Solid Mineral, then claim
The mine heart.Oil-gas exploration coring is that suitable well must be selected within the scope of oil field, to related oil, gas-bearing formation position, drills through certain amount
Rock core, rock core is also estimation for water filling or the various laboratory experiment analyses for improving recovery ratio method and volume increase, well stimulation
Petroleum reserves, establishment reasonable development scheme, the essential basic data for improving reservoir waterflooding effect and recovery ratio.
Condensate refers to the liquid phase component come out from gas condensate field or oil field associated natural gas condensation, also known as natural vapour
Oil.The characteristics of condensate is to exist in underground with gas phase, is then in a liquid state after extraction to ground.It is liquid that condensate, which has arrived ground,
Oil is gas, is condensate gas in the earth formation.Condensate gas is that petroleum is dissolved in natural gas under high-temperature and high-pressure conditions and is formed
Mixture.In the rock of gas condensate reservoir thousands of meters of depths located underground, the major product developed is condensation oil and gas.
The technologies such as CT technology, nuclear magnetic resonance, gamma-rays imaging are restricted very much in the application aspect of test saturation degree, it is difficult to be used
In research condensate critically connected graph.
Utility model content
The purpose of this utility model is to provide the condensate saturation measuring devices in a kind of rock core, in core sample local terminal
Portion installs block and is used for seal core, and rock core internal environment is isolated from the outside world, and reduces influence of the external environment to rock core sample,
By the first constant-flux pump to water sample is filled in rock core sample, rock core is facilitated to absorb moisture, the second constant-flux pump absorbs the oil in fuel tank
Oil sample is added to inside rock core by sample, so that rock core constantly absorbs oil sample, in the time of experiment setting inside rock core sample
Interior fuel-displaced, when water outlet, that is, has reached degree of saturation, then Produced Liquid is measured with graduated cylinder, according to related experiment formula
It is high to calculate condensate saturation degree, convenience of calculation, and precision, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: the condensate saturation degree in a kind of rock core is surveyed
Device is measured, including cabinet and rock core sample, the cabinet are bolted to connection on bracket, the box house interposition
It sets and clamping piece is installed, the rock core sample is mounted on clamping piece upper end, and the rock core sample end thread is connected with block, and one
The group block end is connected with the first valve by tee tube, and the first valve described in two groups passes through pipeline respectively and is communicated with specification
Identical first constant-flux pump and the second constant-flux pump, the first constant-flux pump inlet tube are communicated with water tank by pipeline, and described second
Constant-flux pump inlet tube is communicated with fuel tank by pipeline, and the box house is equipped with the heater below rock core sample, separately
Block end described in one group is communicated with outlet tube by the second valve.
Preferably, the clamping piece includes fixed block and sliding block, and the fixed block is bolted to connection in cabinet
Portion, and rubber pad corresponding with rock core sample is installed between the fixed block and sliding block.
Preferably, the sliding block is slidably connected on fixed block, and the fixed block threaded one end is connected with screw rod, described
Screw rod end is connected to sliding block side.
Preferably, the bracket side is equipped with speed-regulating switch, and the speed-regulating switch is electrically connected at second by conducting wire
Constant-flux pump.
Preferably, the heater includes electric hot plate and temperature controller, and the electric hot plate is mounted below rock core sample, described
Temperature controller is mounted on bracket side.
Preferably, the electric hot plate is electrically connected at temperature controller by conducting wire, and electric hot plate centre is equipped with and rock core
The corresponding arc groove of sample.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is by the way that rock core sample to be fixed in cabinet, and in rock core sample end, installation block is for closing
Rock core internal environment is isolated from the outside world by rock core, influence of the external environment to rock core sample is reduced, by the first constant-flux pump to rock
It is filled with water sample in heart sample, facilitates water sample environment locating for simulation core, when putting rock core sample and being absorbed into a degree of water sample,
Extra water sample is released, subsequent measurement is facilitated；
2, the utility model absorbs the oil sample in fuel tank by the second constant-flux pump of increase, and oil sample is added to inside rock core,
It is only fuel-displaced when be not discharged within the time of experiment setting inside rock core sample so that rock core constantly absorbs oil sample, i.e.,
Degree of saturation is reached, has then measured Produced Liquid with graduated cylinder, condensate saturation degree, calculating side are calculated according to related experiment formula
Just, and precision is high.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model clamping piece structural schematic diagram；
Fig. 3 is the utility model heater structure schematic diagram.
In figure: 1 cabinet, 2 rock core samples, 3 brackets, 4 clamping pieces, 5 blocks, 6 first valves, 7 first constant-flux pumps, 8 second
Constant-flux pump, 9 water tanks, 10 fuel tanks, 11 heaters, 12 second valves, 13 outlet tubes, 14 fixed blocks, 15 sliding blocks, 16 rubber pads, 17
Screw rod, 18 speed-regulating switch, 19 electric hot plates, 20 temperature controllers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: the condensate saturation degree measurement dress in a kind of rock core
It sets, including cabinet 1 and rock core sample 2, the cabinet 1 is bolted to connection on bracket 3,1 bosom of cabinet
Position is equipped with clamping piece 4, and the rock core sample 2 is mounted on 4 upper end of clamping piece, and 2 end thread of rock core sample is connected with
Block 5,5 end of block described in one group are connected with the first valve 6 by tee tube, and the first valve 6 described in two groups passes through pipe respectively
Road is communicated with identical first constant-flux pump 7 of specification and the second constant-flux pump 8, and 7 inlet tube of the first constant-flux pump is connected to by pipeline
There is water tank 9,8 inlet tube of the second constant-flux pump is communicated with fuel tank 10 by pipeline, is equipped with inside the cabinet 1 positioned at rock core
The heater 11 of 2 lower section of sample, 5 end of block described in another group is communicated with outlet tube 13 by the second valve 12, in core sample
This 2 ends installation block 5 is used for seal core sample 2, and 2 internal environment of rock core sample is isolated from the outside world, external environment is reduced
Influence to rock core sample 2 facilitates rock core sample 2 to absorb moisture by the first constant-flux pump 7 to water sample is filled in rock core sample 2,
Second constant-flux pump 8 absorbs the oil sample in fuel tank 10, oil sample is added to inside rock core sample 2, so that rock core sample 2 is constantly inhaled
Oil sample is received, it is only fuel-displaced within the time of experiment setting inside the rock core sample 2 to have reached degree of saturation when be not discharged,
Then Produced Liquid is measured with graduated cylinder, it is high to calculate condensate saturation degree, convenience of calculation, and precision according to related experiment formula.
Specifically, the clamping piece 4 includes fixed block 14 and sliding block 15, the fixed block 14 is bolted to connection
Rubber pad 16 corresponding with rock core sample 2, the cunning are installed inside cabinet 1, and between the fixed block 14 and sliding block 15
Block 15 is slidably connected on fixed block 14, and 14 threaded one end of the fixed block is connected with screw rod 17, the 17 end card of screw rod
It connects in 15 side of sliding block, fixed rock core sample 2 is cooperated by fixed block 14 and sliding block 15, sliding block 15 can be in the driving of screw rod 17
Under moved along 14 one end of fixed block, facilitate the rock core sample 2 for adapting to different-diameter, while being set on the inside of fixed block 14 and sliding block 15
Rubber pad 16 is set, for the rock core sample 2 that is cooperatively connected, prevents the sliding of rock core sample 2 from loosening, can also prevent 2 quilt of rock core sample
Squeeze wound.
Specifically, 3 side of bracket is equipped with speed-regulating switch 18, the speed-regulating switch 18 is electrically connected at by conducting wire
Second constant-flux pump 8 connects the second constant-flux pump 8 by speed-regulating switch 18, facilitates the liquid supply speed of the second constant-flux pump 8 of control, improves
Injection pressure enables to oil sample to involve more comprehensively.
Specifically, the heater 11 includes electric hot plate 19 and temperature controller 20, the electric hot plate 19 is mounted on rock core sample 2
Lower section, the temperature controller 20 are mounted on 3 side of bracket, and the electric hot plate 19 is electrically connected at temperature controller 20, and institute by conducting wire
It states and is equipped with arc groove corresponding with rock core sample 2 among electric hot plate 19, temperature controller 20 is used to control the work of electric hot plate 19, electricity
Hot plate 19 is used to maintain the stabilization of 1 internal temperature of cabinet.
Working principle: installing seal washer for block 5 when use and be mounted on 2 end of rock core sample, and by rock core sample 2
It is placed between fixed block 14 and sliding block 15, shakes screw rod 17, band movable slider 15 moves forward, and cooperates fixed block 14 by core sample
This 2 clamping, rubber pad 16 prevent the sliding of rock core sample 2 from loosening, can prevent rock core sample 2 for cooperating fixed rock core sample 2
It crushes injury, then opens the first valve 6 communicated with the first constant-flux pump 7, the power supply of the first constant-flux pump 7 is connected, so that first is flat
Water sample in water tank 9 is added in rock core sample 2 stream pump 7, until hydraulic pressure reaches the numerical value of demand in rock core sample 2, closes the
The first valve 6 that one constant-flux pump 7 communicates opens the second valve 12, so that water sample flows out, is then shut off the second valve 12, connects
Oil sample inside fuel tank 10 is added in rock core sample 2 the first valve 6 that second constant-flux pump 8 matches, and speed-regulating switch 18 is used for
The liquid supply speed of the second constant-flux pump 8 is controlled, injection pressure is improved, enables to oil sample to involve more comprehensively, inside rock core sample 2
It is only fuel-displaced within the time of experiment setting, it is not discharged, that is, has reached degree of saturation, then Produced Liquid is measured with graduated cylinder, according to phase
It closes empirical formula and calculates condensate saturation degree.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. the condensate saturation measuring device in a kind of rock core, including cabinet (1) and rock core sample (2), it is characterised in that: institute
Cabinet (1) to be stated to be bolted to connection on bracket (3), cabinet (1) the bosom position is equipped with clamping piece (4),
The rock core sample (2) is mounted on clamping piece (4) upper end, and rock core sample (2) end thread is connected with block (5), and one group
Block (5) end is connected with the first valve (6) by tee tube, and the first valve (6) described in two groups is connected by pipeline respectively
It is connected with identical first constant-flux pump (7) of specification and the second constant-flux pump (8), the first constant-flux pump (7) inlet tube is connected by pipeline
It is connected with water tank (9), the second constant-flux pump (8) inlet tube is communicated with fuel tank (10) by pipeline, installation inside the cabinet (1)
There is the heater (11) being located at below rock core sample (2), (5) end of block described in another group is communicated with by the second valve (12)
Outlet tube (13).
2. the condensate saturation measuring device in a kind of rock core according to claim 1, it is characterised in that: the clamping
Part (4) includes fixed block (14) and sliding block (15), and the fixed block (14) is bolted to connection in cabinet (1) inside, and
Rubber pad (16) corresponding with rock core sample (2) is installed between the fixed block (14) and sliding block (15).
3. the condensate saturation measuring device in a kind of rock core according to claim 2, it is characterised in that: the sliding block
(15) it is slidably connected on fixed block (14), and the fixed block (14) threaded one end is connected with screw rod (17), the screw rod
(17) end is connected to sliding block (15) side.
4. the condensate saturation measuring device in a kind of rock core according to claim 1, it is characterised in that: the bracket
(3) side is equipped with speed-regulating switch (18), and the speed-regulating switch (18) is electrically connected at the second constant-flux pump (8) by conducting wire.
5. the condensate saturation measuring device in a kind of rock core according to claim 1, it is characterised in that: the heating
Device (11) includes electric hot plate (19) and temperature controller (20), and the electric hot plate (19) is mounted below rock core sample (2), the temperature control
Device (20) is mounted on bracket (3) side.
6. the condensate saturation measuring device in a kind of rock core according to claim 5, it is characterised in that: the electric heating
Plate (19) is electrically connected at temperature controller (20) by conducting wire, and is equipped among the electric hot plate (19) opposite with rock core sample (2)
The arc groove answered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947845.5U CN208224012U (en) | 2018-06-19 | 2018-06-19 | A kind of condensate saturation measuring device in rock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947845.5U CN208224012U (en) | 2018-06-19 | 2018-06-19 | A kind of condensate saturation measuring device in rock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208224012U true CN208224012U (en) | 2018-12-11 |
Family
ID=64505646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820947845.5U Expired - Fee Related CN208224012U (en) | 2018-06-19 | 2018-06-19 | A kind of condensate saturation measuring device in rock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208224012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458253A (en) * | 2019-01-18 | 2020-07-28 | 中国石油天然气股份有限公司 | Method and device for testing retrograde condensate oil saturation |
-
2018
- 2018-06-19 CN CN201820947845.5U patent/CN208224012U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458253A (en) * | 2019-01-18 | 2020-07-28 | 中国石油天然气股份有限公司 | Method and device for testing retrograde condensate oil saturation |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20190619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |