CN210343336U - Mixed pulp obtaining device - Google Patents
Mixed pulp obtaining device Download PDFInfo
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- CN210343336U CN210343336U CN201921075740.6U CN201921075740U CN210343336U CN 210343336 U CN210343336 U CN 210343336U CN 201921075740 U CN201921075740 U CN 201921075740U CN 210343336 U CN210343336 U CN 210343336U
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Abstract
The utility model provides a mix thick liquid acquisition device, this mix thick liquid acquisition device include instrument main part, piston rod, check valve, the piston upper end is connected fixedly with the piston rod lower extreme, the inside top-down of instrument main part has seted up the three cavity of looks axial intercommunication in proper order, is oil pipe connection chamber, piston rod seal chamber, piston seal chamber respectively, the piston is installed in the piston seal intracavity, and the piston rod is worn to locate in the piston rod seal chamber, radial passageway is still seted up to the instrument main part, and this radial passageway communicates with piston rod seal chamber second section, and the internal diameter of piston rod seal chamber second section is greater than the piston rod external diameter, install the check valve in the radial passageway. The utility model discloses can accurately will get the liquid instrument and put the appointed degree of depth down, the effectual intraductal muddy thick liquid fluid sample that mixes of the appointed degree of depth of drawing, the regional muddy thick liquid component of washing in the analysis cover is handled for effectual solution abandonment well and is provided support.
Description
Technical Field
The utility model belongs to the technical field of the oil development technique and specifically relates to a thoughtlessly starch acquisition device.
Background
The problems of yield reduction, water content increase of produced liquid, increase of waste quantity of oil wells and the like are increasingly prominent along with the fact that production of a victory oil production plant enters the middle and later stages of an oil field, normal production and operation of the oil production plant are seriously affected, a prominent problem is encountered in the process of processing the waste wells, and due to the fact that the time is long, data of partial wells are lost, underground pipe columns and well cementation data are missing, the time for sealing the waste wells is long, and data of an underground pressure system are difficult to obtain. There is therefore a need for a specialized downhole fluid sample acquisition tool and method.
Application No.: 201720760418.1 discloses an oil sample sampling device, including the sampling tube, the sampling tube includes outer tube and interior sleeve pipe, the outer tube suit has first sampling chamber in the interior sleeve pipe outside, between outer tube and the interior sleeve pipe, interior sleeve pipe inner chamber is the second sampling chamber, the outer end in first sampling chamber has the inlet, owing to adopted above-mentioned technical scheme, an oil sample sampling device set up double-deck sleeve pipe, draw the oil sample of the different degree of depth respectively through two cavities to place the oil sample respectively, cause the detection data error big when avoiding detecting, simultaneously, can gather same degree of depth oil sample in two cavities for the different detection needs, guarantee detection effect.
Application No.: 201621363208.0 relates to a well drilling waste mud take-out device, which comprises a hull, a water flushing mechanism, a mud pump hoisting mechanism, a travelling mechanism and an operation control panel, wherein the hull is of a rectangular structure, the travelling mechanisms are arranged on two sides of the hull, the water flushing mechanism is arranged in the middle of the hull, the mud pump hoisting mechanism is arranged at the head of the hull, the operation control panel is arranged on one side of the front part of the hull, and the operation control panel is respectively connected with the water flushing mechanism, the mud pump hoisting mechanism and the travelling mechanism through cables. The device has and can walk wantonly in the mud pit, and the beneficial effect of abandonment mud is handled in the realization environmental protection to the taking out of convenient and fast, clean thoroughly completion drilling abandonment mud.
Application No.: 200510098286.2 discloses a method for testing underground layered sampling of bailing well, oil pumping well, screw pump well, electric pump well, water well, exploratory well and pilot production well, which mainly uses cable to carry underground releasing test pipe column and anchor it at the corresponding test layer position, then uses cable or steel wire to carry the sampling tester with test instrument to put into the underground releasing test pipe column for testing and sampling, then uses cable to put into fisher to take out the sampling tester or underground releasing test pipe column, and tests multiple parameters of layered flow pressure, layered static pressure, temperature and flow at different layers, and can realize layered fluid (oil, water, liquid, gas) sampling under normal production state.
Application No.: 200620123886.X a sampler in pit, by cap of rope 1, connecting plug 2, body 3, detonator 4, piston 5, link 6, go up ball sealer 7, spring 8, fastening screw 9, overcoat 10, storage section of thick bamboo 11, lower ball sealer 12, protect cap 13 and constitute, the utility model discloses owing to adopted to have connecting plug and detonator to be connected in the cap of rope, the cover has piston, link on the detonator, and the lower part has connect ball sealer, spring, fastening screw, and the link is connected with overcoat, protects the cap, is a storage section of thick bamboo in the overcoat, is lower ball sealer on protecting the cap. The down-hole sampling in the oil pipe of the oil well is realized along with the down-pump delay sampling of the supporting cylinder. The minimum external diameter of sampler can reach 25 millimeters, and less external diameter makes it be applicable to the sample of arbitrary well condition, and the time delay of sampler sample can reach half a year for a long time, also can realize multiple modes such as direct-reading tester sample, multi-parameter tester sample, makes test and sample go on simultaneously, has strengthened accuracy, the instantaneity of sample, has reduced construction cost.
Application No.: 201420315565.4 relates to a slurry pumping device for directly pumping drilling cutting-containing slurry, which belongs to the technical field of petroleum drilling slurry pumping equipment. The slurry pump is fixedly arranged on the frame, the slurry pump is of a Y-shaped structure, the high-pressure injection pipe is arranged in the high-pressure inlet end of the slurry pump, one end of the high-pressure injection pipe is connected with a slurry pump in an assembling mode, the other end of the high-pressure injection pipe is provided with a high-pressure outlet end of the injection pipe in a conical structure, and the slurry pump is connected with the slurry pump at the suction end. The utility model discloses design the preparation according to the venturi principle, join the department and produce the negative pressure at Y shape structure when making the mud that the suction of slurry pumping pipe contains the drill chip, to have the rubble, the mud that contains the drill chip of cobblestone and high-speed lasering fluid arrange to the assigned position through the discharge end after joining the department and mixing, when having solved prior art and directly having shifted the mud that contains the drill chip with sand pump or slush pump suction, rubble and cobblestone frequently damage the blade, lead to equipment life short, cause serious economic loss's problem for the enterprise.
Technical scheme and the technical problem that will solve and the beneficial effect who produces of above disclosure technique all with the utility model discloses inequality, to the utility model discloses more technical characteristics and the technical problem and the beneficial effect that will solve all do not have the technological inspiration in the above technical document that discloses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thoughtlessly starch acquisition device, the utility model discloses can accurately will get the liquid instrument and put the appointed degree of depth under, the effectual intraductal muddy thick liquid fluid sample that mixes of the appointed degree of depth that draws, the intraductal washing region's of analysis cover muddy thick liquid component provides the support for effectual solution abandonment well is handled.
The purpose of the utility model can be realized by the following technical measures:
this thoughtlessly starch acquisition device includes tool body, piston rod, check valve, the piston upper end is connected fixedly with the piston rod lower extreme, the inside top-down of tool body has seted up the three cavity of looks axial intercommunication in proper order, is oil pipe connection chamber, piston rod seal chamber, piston seal chamber respectively, the piston is installed in piston seal chamber, and the piston rod is worn to locate in the piston rod seal chamber, radial passage is still seted up to tool body, and this radial passage and piston rod seal chamber second section intercommunication, and the internal diameter of piston rod seal chamber second section is greater than the piston rod external diameter, and piston rod outer wall and piston rod seal chamber second section inner wall constitute annular space passageway promptly, and this annular space passageway makes piston seal chamber and radial space passageway intercommunication, install the check valve in the radial space. How to install the valve in the radial hole of a pipe column belongs to the known technology in the technical field, and the specific installation process of the check valve is not described in detail.
The purpose of the utility model can be realized by the following technical measures:
the inner wall of the upper half section of the piston rod sealing cavity is connected with the outer wall of the piston rod in a sliding sealing mode, a piston rod sealing ring mounting groove is formed in the inner wall of the upper half section of the piston rod sealing cavity, and a piston rod sealing ring is mounted in the piston rod sealing ring mounting groove.
The static friction force of the piston rod sealing ring on the piston rod is enough to overcome the weight of the piston, namely the piston rod, and the piston cannot move downwards in the process of going into the well.
The length of the piston rod is greater than or equal to the sum of the axial length of the piston rod sealing cavity and the axial length of the piston sealing cavity.
The outer wall of the piston is connected with the inner wall of the piston sealing cavity in a sliding sealing mode, the outer wall of the circumference of the piston is provided with a piston sealing ring mounting groove, and a piston sealing ring is mounted in the piston sealing ring mounting groove.
The inner wall of the oil pipe connecting cavity is provided with internal threads which are in threaded connection with the lower end of the oil pipe.
The piston sealing cavity is equivalent to a sampling cylinder, a thread buckle type connecting guide shoe is arranged at the lower port of the sampling cylinder, and a radial through exhaust hole is formed in the guide shoe. The guide shoe belongs to a guide head of a pipe column for an oil well, and belongs to the conventional known technology in the field.
Compared with the prior art, the utility model following beneficial technological effect has:
the utility model discloses a find out the thick liquid state that mixes of underground casing ring empty cleaning region, the thick liquid acquisition device is mixed in the design, and the oil pipe lower part connects sampling tool main part to connect the slush pump, transfer the instrument to the appointed degree of depth through oil pipe, piston rod seal's static friction is enough to overcome piston weight, guarantees that the in-process piston can not the activity downwards of going into the well, after reacing the appointed degree of depth, and the ground pump is suppressed, and pressure is about 3-5MPa, and the pump sending fluid reaches sampler piston department. After pressurization, the piston moves downwards, annular fluid flows into the sampling cylinder from the one-way valve, and the inflow speed is determined according to the size of the exhaust hole; after sampling, the sampling tool is lifted up, and the sampling liquid is taken out. The utility model discloses can accurately will get the liquid instrument and put the appointed degree of depth down, the effectual intraductal fluid sample of sleeve that draws the appointed degree of depth, the regional muddy thick liquid component of washing in the analysis sleeve pipe provides support for effectual solution abandonment well is handled.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a flow chart of the liquid taking of the mixed slurry obtaining device of the utility model.
In the figure: 1 oil pipe, 2 tool bodies, 3 piston rod sealing rings, 4 one-way valves, 5 pistons, 6 piston sealing rings, 7 sampling cylinders, 8 guide shoes and 9 exhaust holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a technical scheme:
this thoughtlessly starch acquisition device includes tool main part 2, piston 5, piston rod, check valve 4, 5 upper ends of piston are connected fixedly with the piston rod lower extreme, the inside top-down of tool main part has seted up the three cavity of looks axial intercommunication in proper order, is oil pipe connection chamber, piston rod seal chamber, piston seal chamber respectively, the piston is installed in the piston seal intracavity, and the piston rod wears to locate in the piston rod seal chamber, radial passage is still seted up to tool main part, and this radial passage and piston rod seal chamber lower half section intercommunication, and the internal diameter of piston rod seal chamber lower half section is greater than the piston rod external diameter, and piston rod outer wall and piston rod seal chamber lower half section inner wall constitute annular space passageway promptly, and this annular space passageway makes piston seal chamber and radial passage intercommunication, install check valve 4 in the radial passage.
The upper half section of the inner wall of the piston rod sealing cavity is connected with the outer wall of the piston rod in a sliding sealing manner, a piston rod sealing ring mounting groove is formed in the upper half section of the inner wall of the piston rod sealing cavity, and a piston rod sealing ring 3 is mounted in the piston rod sealing ring mounting groove.
The static friction force of the piston rod sealing ring on the piston rod is enough to overcome the weight of the piston, namely the piston rod, and the piston cannot move downwards in the process of going into the well.
The length of the piston rod is greater than or equal to the sum of the axial length of the piston rod sealing cavity and the axial length of the piston sealing cavity.
The outer wall of the piston 5 is connected with the inner wall of the piston sealing cavity in a sliding sealing mode, the outer wall of the circumference of the piston is provided with a piston sealing ring mounting groove, and a piston sealing ring 6 is mounted in the piston sealing ring mounting groove.
The inner wall of the oil pipe connecting cavity is provided with internal threads which are in threaded connection with the lower end of the oil pipe 1.
The piston sealing cavity is equivalent to a sampling cylinder 7, a thread-buckle type connecting guide shoe 8 is arranged at the lower end opening of the sampling cylinder, and a radial through exhaust hole 9 is formed in the guide shoe.
Referring to fig. 2, the utility model discloses a following step is realized: in order to clear the slurry mixing state of a cleaning area in a downhole casing, a slurry mixing acquisition device is designed, a sampling tool body 2 is connected to the lower portion of an oil pipe 1 and is connected with a slurry pump, the tool is lowered to a specified depth through the oil pipe 1, the static friction force of a piston rod sealing ring 3 is enough to overcome the weight of a piston, it is guaranteed that a piston 5 cannot move downwards in the downhole process, after the piston reaches the specified depth, a ground pump is pressed, the pressure is about 3-5MPa, and fluid is pumped to the position of a sampler piston 5. After pressurization, the piston 5 moves downwards, the fluid in the sleeve flows into the sampling cylinder 7 from the one-way valve 4, and the inflow speed is determined according to the size of the exhaust hole 9; after sampling, the sampling tool is lifted up, and the sampling liquid is taken out.
The utility model discloses can accurately will get the liquid instrument and put the appointed degree of depth down, the effectual intraductal fluid sample of sleeve that draws the appointed degree of depth, the regional muddy thick liquid component of washing in the analysis sleeve pipe provides support for effectual solution abandonment well is handled.
In the description of the present invention, it should be understood that the orientation indication or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description of the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a thoughtlessly starch acquisition device, its characterized in that, includes tool body, piston rod, check valve, the piston upper end is connected fixedly with the piston rod lower extreme, the inside top-down of tool body has seted up the three cavity of looks axial intercommunication in proper order, is oil pipe connection chamber, piston rod seal chamber, piston seal chamber respectively, the piston is installed in piston seal chamber, and the piston rod is worn to locate in the piston rod seal chamber, radial passage is still seted up to tool body, and this radial passage and piston rod seal chamber second half section intercommunication, and the internal diameter of piston rod seal chamber second half section is greater than the piston rod external diameter, and the piston rod outer wall constitutes annular space passageway with piston rod seal chamber second half section inner wall promptly, and this annular space passageway makes piston seal chamber and radial passage intercommunication, install the check valve in the radial.
2. The mixed slurry obtaining device as claimed in claim 1, wherein the inner wall of the upper half section of the piston rod sealing cavity is connected with the outer wall of the piston rod in a sliding sealing manner, a piston rod sealing ring mounting groove is formed in the inner wall of the upper half section of the piston rod sealing cavity, and a piston rod sealing ring is mounted in the piston rod sealing ring mounting groove.
3. The device for obtaining mixed slurry as claimed in claim 2, wherein the static friction force of the piston rod sealing ring on the piston rod is enough to overcome the weight of the piston, i.e. the piston rod, and ensure that the piston does not move downwards during the process of going down the well.
4. The device for obtaining mixed slurry as claimed in claim 1, 2 or 3, wherein the length of the piston rod is greater than or equal to the sum of the axial length of the piston rod sealing cavity and the axial length of the piston sealing cavity.
5. The mixed slurry obtaining device as claimed in claim 1, 2 or 3, wherein the outer wall of the piston is connected with the inner wall of the piston seal cavity in a sliding seal manner, the outer wall of the circumference of the piston is provided with a piston seal ring installation groove, and a piston seal ring is installed in the piston seal ring installation groove.
6. The mixed slurry obtaining device as claimed in claim 1, 2 or 3, wherein the inner wall of the oil pipe connecting cavity is provided with internal threads, and the internal threads are in threaded connection with the lower end of the oil pipe.
7. The device for obtaining mixed slurry as claimed in claim 1, 2 or 3, wherein the piston sealing chamber is equivalent to a sampling tube, a lower port of the sampling tube is screwed with a guide shoe, and the guide shoe is provided with a vent hole which is through in the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921075740.6U CN210343336U (en) | 2019-07-10 | 2019-07-10 | Mixed pulp obtaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921075740.6U CN210343336U (en) | 2019-07-10 | 2019-07-10 | Mixed pulp obtaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343336U true CN210343336U (en) | 2020-04-17 |
Family
ID=70195051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921075740.6U Withdrawn - After Issue CN210343336U (en) | 2019-07-10 | 2019-07-10 | Mixed pulp obtaining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211629A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Mixed slurry obtaining device and using method thereof |
-
2019
- 2019-07-10 CN CN201921075740.6U patent/CN210343336U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211629A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Mixed slurry obtaining device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20230718 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200417 Effective date of abandoning: 20230718 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |