CN114086952B - Dual-mode underground steam sampling switch controller and control method - Google Patents
Dual-mode underground steam sampling switch controller and control method Download PDFInfo
- Publication number
- CN114086952B CN114086952B CN202010862096.8A CN202010862096A CN114086952B CN 114086952 B CN114086952 B CN 114086952B CN 202010862096 A CN202010862096 A CN 202010862096A CN 114086952 B CN114086952 B CN 114086952B
- Authority
- CN
- China
- Prior art keywords
- control
- wall
- sampling
- controller
- heavy hammer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 181
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 66
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 18
- 239000000945 filler Substances 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 19
- 238000012360 testing method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010793 Steam injection (oil industry) Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
- E21B49/082—Wire-line fluid samplers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
- E21B49/083—Samplers adapted to be lowered into or retrieved from a landing nipple, e.g. for testing a well without removing the drill string
Landscapes
- 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)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a dual-mode underground steam sampling switch controller and a control method, wherein the dual-mode underground steam sampling switch controller comprises an upper sampling heavy hammer controller, a lower sampling heavy hammer controller and a lower sampling wall hanging controller, wherein the upper sampling heavy hammer controller is positioned above a hammering control device, the upper sampling heavy hammer controller can generate hammering force to the hammering control device through falling, the lower end of the hammering control device is connected with an upper sampling tube, and the hammering control device can close a sample inlet of the upper sampling tube; the upper end of the down sampling wall hanging controller is fixedly connected with the lower end of the upper sampling tube, the lower end of the down sampling wall hanging controller is connected with the down sampling tube, and the down sampling wall hanging controller can close a sample inlet of the down sampling tube. The heavy hammer and wall built-up double-mode switch control device is high in functionality, safe and reliable; two samples with different depth points can be taken after one trip, and the success rate and the efficiency are high.
Description
Technical Field
The utility model relates to the technical field of thickened oil thermal recovery testing, in particular to a dual-mode underground steam sampling switch controller and a control method.
Background
The steam injection well is used for evaluating the quality of steam injection and the quality of heat loss of a pipe column, mainly takes steam dryness sampling, takes out a sample for direct test (or conductivity measurement), and is simple and visual, and reliable in data. The existing steam sampler switch mostly adopts a clock control mode, and the success rate is lower under the influence of high temperature; the hammer control mode is adopted in part, design defects of a switch part and a sealing structure are unreasonable, high-temperature and high-pressure resistance performance is poor, scalding accidents are easy to occur due to thorns and leakage, only one sample can be taken out after one well is put down, repeated lifting operation is needed to obtain samples with different depths, and the efficiency is low.
Publication (bulletin) number: CN2403894Y, publication (date): 2000-11-01 is used for the oil field steam dryness in the pit, the temperature samples the tester, by the valve stem locking release assembly, steam sample replaces storage tube and thermoscope to make up, characterized by that impact sliding sleeve has spring steel wire end cap and lock ball sleeve below, there are energy storage spring to enter the steam wellhead pipe in the middle of the seal rod of the upper limit jackscrew, the seal rod locking cap of the lower part cooperates with central pull rod, the central tube welds with double-walled pipe together, in the sample outer tube, the steam outlet pipe meets with thermoscope, can be measured at the temperature of the arbitrary depth sampling point in the pit through hammering during test, the sample obtains the steam dryness value through analysis, thus provide the steam parameter for thick oil thermal recovery well. Because the instrument organically combines the steam dryness and temperature tests, the instrument can be used for thermal recovery tests of steam injection thickened oil in oil fields. The instrument adopts the steel wire to go into the well, has simple structure, convenient operation and low cost.
Publication (bulletin) number: CN202720144U, publication (date): 2013-02-06 discloses a steam sampler, which comprises a columnar part and a conical part which are integrally formed, and a through hole arranged on the central axis of the columnar part, wherein the columnar part is connected with an external connecting pipe, the conical part stretches into a steam pipeline, and a sampling hole communicated with the through hole is formed in the conical part. Compared with the prior art, the steam sampler is a combination of a column shape and a cone shape, the cone-shaped part of the steam sampler is arranged in the main steam pipeline, so that disturbance of a probe to steam flow in the main steam pipeline is reduced to the greatest extent, impact and abrasion of the steam to the sampling head are reduced, the steam can enter the sampling hole of the cone-shaped part in a better flow state, the constant-speed sampling is facilitated, and the sampled product is representative.
Publication (bulletin) number: CN101545834B, publication (date): 2011-12-14 is an improved superheated steam sampler. The safety and stability of the product are high. The device comprises a sampling head, a pipe joint, a sealing plate, a header or a pipeline, wherein the root of the sampling head is sleeved with the joint, the joint is in threaded fit connection with the root of the sampling head, the joint is in welding fastening connection with the header or the pipeline, and the joint is the same as the header or the pipeline in material.
Publication (bulletin) number: CN205117338U, publication (date): 2016-03-30 relates to an adjustable downhole steam quality sampler control locking mechanism. This downhole steam dryness sampler control locking mechanism with adjustable includes: the control sleeve, the rope cap head, the limit screw, the locking steel ball, the locking sleeve and the guide rod, wherein the middle part of the left end of the control sleeve is provided with a limit groove, the inner structure of the right end of the control sleeve is provided with a locking steel ball reset groove, the rope cap head and the limit screw move in the limit groove of the control sleeve to play a role in limiting and adjusting, the left end of the locking sleeve is provided with a positioning groove, the guide rod is provided with a locking groove, and the locking steel ball is locked by the control sleeve, the locking sleeve and the guide rod under the action of the limit groove of the control sleeve, the positioning groove of the locking sleeve and the locking groove on the guide rod. The adjustable underground steam dryness sampler control locking mechanism provided by the utility model can control the opening and closing states of the locking mechanism at any time.
In summary, the technical scheme of the above disclosed technology, the technical problems to be solved and the generated beneficial effects are different from those of the present utility model, or the technical field or application occasion is different, and the technical documents disclosed above do not have technical teaching aiming at more technical features of the present utility model, the technical problems to be solved and the beneficial effects.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the dual-mode underground steam sampling switch controller and the control method thereof, wherein the heavy hammer and the wall hanging dual-mode switch are controlled, so that the dual-mode underground steam sampling switch controller is strong in functionality, safe and reliable; two samples with different depth points can be taken after one trip, and the success rate and the efficiency are high.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the double-mode underground steam sampling switch controller comprises an upper sampling weight controller, wherein the upper sampling weight controller is positioned above a hammering control device, the upper sampling weight controller can generate hammering force to the hammering control device through falling, the lower end of the hammering control device is connected with an upper sampling tube, the hammering control device can close a sample inlet of the upper sampling tube, and the double-mode underground steam sampling switch controller further comprises a lower sampling wall hanging controller;
the upper end of the down sampling wall hanging controller is fixedly connected with the lower end of the upper sampling tube, the lower end of the down sampling wall hanging controller is connected with the down sampling tube, and the down sampling wall hanging controller can close a sample inlet of the down sampling tube.
Further, the up-sampling heavy hammer controller comprises a plug main body, a heavy hammer and a heavy hammer releasing mechanism;
the heavy hammer slides in the axial inner cavity of the plug main body, a heavy hammer center hole for penetrating through the well-entering steel wire is formed in the center of the heavy hammer, and the lower end of the well-entering steel wire is connected with the hammering control device;
the heavy hammer release mechanism is radially arranged in an eccentric radial hole formed in the plug main body, the eccentric radial hole is communicated with the axial inner cavity of the plug main body, and the inner end of the heavy hammer release mechanism can lock and release the heavy hammer.
Further, the heavy hammer release device comprises a control half shaft, a gland and a sealing filler;
the inner half section of the control half shaft is provided with an axial plane to form a half shaft section, namely the cross section of the half shaft section is D-shaped, the inner half section of the control half shaft is arranged corresponding to the circumferential outer wall of the heavy hammer, the outer half section of the control half shaft is cylindrical, and sealing filler is arranged between the outer wall of the outer half section and the inner wall of the eccentric radial hole of the plug main body;
the gland is arranged in the eccentric radial hole, and the inner end of the gland presses the sealing filler.
Further, the downsampling wall hanging controller comprises an upper wall hanging control main body, a lower wall hanging control main body, a middle control rod return spring and an uplink blocking and releasing device;
the upper end of the wall built-up control upper main body is connected with the lower end of the upper sampling tube, the lower end of the wall built-up control upper main body is connected with the upper end of the wall built-up control lower main body, and the lower end of the wall built-up control lower main body is connected with the upper end of the lower sampling tube;
the middle control rod is arranged in the lower wall-mounted control main body, the middle control rod return spring is sleeved on the middle control rod, namely, the upper end of the middle control rod return spring props against a clamping table on the outer wall of the middle control rod, the lower end of the middle control rod return spring props against a clamping table in the lower wall-mounted control main body, and the bottom end of the middle control rod props against a sampling tube closing control rod of the lower sampling tube;
the upward blocking release device is provided with a control end and a blocking end, wherein the control end is arranged corresponding to the upper end of the middle control rod, the blocking end extends out of a radial window formed in the upper main body of the wall hanging control, and the resistance of the blocking end is from the friction force between the blocking end and the inner wall of an external oil pipe or the blocking force between the blocking end and the oil pipe.
Further, the upward blocking release device comprises a blocking rod compression bolt, a wall hanging blocking rod, an upper wall hanging control clamping block and a lower wall hanging control clamping block;
the inner end of the wall built-up control upper clamping block is hinged with the upper end of the wall built-up control lower clamping block through a pin shaft, meanwhile, the pin shaft is fixedly connected with the wall built-up control upper main body, and the lower end of the wall built-up control lower clamping block is provided with a right-angle step serving as a control end to prop against the upper end of the middle control rod;
the outer end of the wall hanging control upper clamping block is fixedly connected with the wall hanging blocking rod through a blocking rod compression bolt, and the outer end of the wall hanging blocking rod is used as a blocking end.
Further, a rotary limiting table is arranged on the lower clamping block of the wall built-up control, the upper clamping block of the wall built-up control drives the lower clamping block of the wall built-up control to simultaneously rotate in a linkage manner when the blocked end is blocked, so that the control end leaves the upper end of the middle control rod, and the control on the middle control rod is released.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a control method of a dual mode downhole steam sampling switch controller, comprising the steps of:
a first step of: the underground steam dryness sampling is firstly deep and then shallow, and after the upper sampling tube and the lower sampling tube are filled with steam underground, the lower sampling tube is controlled to be closed by the lower sampling wall-hanging controller;
and a second step of: then the heavy hammer is released through the upper sampling heavy hammer controller, and the heavy hammer falls to generate hammering force on the hammering control device, so that the hammering control device can close the upper sampling cylinder;
and a third step of: the upper sampling tube and the lower sampling tube are taken out, and then the sample is taken out.
Further, the specific operation method of the first step is as follows: when the sampling tube is in a well, the closing control rod of the sampling tube is propped by the middle control rod which is pressed down, so that the lower sampling tube is in an open state, and the middle control rod which is pressed down cannot move upwards after being propped by the lower clamping block which is controlled by the hanging wall; when in-place sampling, the wall hanging blocking rod can collide with the inner wall of the oil pipe to generate resistance through lifting the well steel wire, so that the wall hanging blocking rod moves downwards, the wall hanging blocking rod drives the wall hanging control upper clamping block to rotate, the wall hanging control upper clamping block collides with the rotating limiting table on the wall hanging control lower clamping block, the wall hanging control upper clamping block drives the wall hanging control lower clamping block to rotate and swing, the middle control rod moves upwards after being separated from the control of the wall hanging control lower clamping block, and the aim of closing the lower sampling tube is achieved by moving upwards together with the closing control rod.
Further, the specific operation method of the second step is as follows: the upper sampling heavy hammer controller is positioned outside the wellhead, the control semi-shaft is rotated by hands or tools, when the control semi-shaft is rotated anticlockwise at 45 degrees, the semi-shaft surface of the control semi-shaft and the cylindrical surface of the control heavy hammer form a tangential state, the heavy hammer loses radial extrusion control of the control semi-shaft and does gravity free falling motion along a steel wire, the heavy hammer knocks on the hammering control device, the hammering control device closes the upper sampling tube, and the purpose of sample taking is achieved.
Compared with the prior art, the utility model has the following beneficial effects:
the novel upper sampling tube and the novel lower sampling tube are skillfully connected and combined, and novel heavy hammer and wall hanging dual-mode switch control is adopted: the upper sampling tube releases the heavy hammer through the eccentric control half shaft, so that the upper sampling tube is opened and closed; the lower sampling tube adopts wall built-up switch control to realize the opening and closing of the lower sampler. The underground steam dryness sampling is firstly deep and then shallow, the wall built-up control is firstly carried out, the lower sampler is controlled to work, the heavy hammer is controlled to work, and the sampler is controlled to be completed in sequence to take out the sample. The utility model has the characteristics of novel design, high integration level, simple switch, safety, reliability, high efficiency and the like, realizes the extraction of underground steam dryness samples at two different depth points in one trip, and provides high-efficiency technical support for evaluating steam injection quality and pipe column heat loss.
Drawings
FIG. 1 is a schematic diagram of a dual mode downhole steam sampling switch controller according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the up-sampling weight controller when it is turned on;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic diagram showing the structure of the up-sampling weight controller when it is turned off;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a schematic diagram of a down-sampling wall-mounted controller;
FIG. 7 is a schematic diagram of the down sampling wall-mounted controller at shutdown;
fig. 8 is a schematic diagram of the structure of the down-sampling wall-mounted controller when opened.
In the figure: 1. the device comprises a plug main body, 2, a heavy hammer, 3, a control half shaft, 4 gland, 5, sealing filler, 6, a well entering steel wire, 7, a hammering control device, 8, an upper sampling tube, 9, a wall built-up control upper main body, 10, a blocking rod compression bolt, 11, a wall built-up blocking rod, 12, an upper wall built-up control blocking speed, 13, a lower wall built-up control blocking speed, 14, an intermediate control rod, 15, an intermediate control rod return spring, 16, a lower wall built-up control main body, 17, a sampling tube closing control rod, 18 and a lower sampling tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1 to 8, the present utility model provides a technical solution:
the utility model provides a dual mode steam sampling switch controller in pit, includes the heavy weight controller of upsampling, the heavy weight controller of upsampling is located the top of hammering controlling means, and the heavy weight controller of upsampling 7 can produce hammering force to hammering controlling means through the whereabouts, the upper sampling section of thick bamboo 8 is connected to hammering controlling means lower extreme, and hammering controlling means can close the sample inlet of upper sampling section of thick bamboo, still includes down sampling wall built-up controller;
because the hammering control device 7, the upper sampling tube and the lower sampling tube are all in the well prior art, and are not described in detail, the utility model only partially improves the upper sampling weight controller, and then the lower sampling wall hanging controller is completely developed.
The upper end of the down sampling wall hanging controller is fixedly connected with the lower end of the upper sampling tube, the lower end of the down sampling wall hanging controller is connected with the down sampling tube 18, and the down sampling wall hanging controller can close a sample inlet of the down sampling tube.
Further, the up-sampling heavy hammer controller comprises a plug main body 1, a heavy hammer 2 and a heavy hammer releasing mechanism;
the heavy hammer slides in the axial inner cavity of the plug main body, a heavy hammer center hole for penetrating through the well-entering steel wire is formed in the center of the heavy hammer, and the lower end of the well-entering steel wire is connected with the hammering control device;
the heavy hammer release mechanism is radially arranged in an eccentric radial hole formed in the plug main body, the eccentric radial hole is communicated with the axial inner cavity of the plug main body, and the inner end of the heavy hammer release mechanism can lock and release the heavy hammer.
Further, the heavy hammer release device comprises a control half shaft 3, a gland 4 and a sealing filler 5;
the inner half section of the control half shaft is provided with an axial plane to form a half shaft section, namely the cross section of the half shaft section is D-shaped, the inner half section of the control half shaft is arranged corresponding to the circumferential outer wall of the heavy hammer, the outer half section of the control half shaft is cylindrical, and sealing filler is arranged between the outer wall of the outer half section and the inner wall of the eccentric radial hole of the plug main body;
the gland is arranged in the eccentric radial hole, and the inner end of the gland presses the sealing filler.
Further, the downsampling wall hanging controller comprises a wall hanging control upper main body 9, a wall hanging control lower main body 16, an intermediate control rod 14, an intermediate control rod return spring 15 and an uplink blocking release device;
the upper end of the wall built-up control upper main body is connected with the lower end of the upper sampling tube, the lower end of the wall built-up control upper main body is connected with the upper end of the wall built-up control lower main body, and the lower end of the wall built-up control lower main body is connected with the upper end of the lower sampling tube;
the middle control rod is arranged in the lower wall-mounted control main body, the middle control rod return spring is sleeved on the middle control rod, namely, the upper end of the middle control rod return spring props against a clamping table on the outer wall of the middle control rod, the lower end of the middle control rod return spring props against a clamping table in the lower wall-mounted control main body, and the bottom end of the middle control rod props against a sampling tube closing control rod 17 of the lower sampling tube 18;
the upward blocking release device is provided with a control end and a blocking end, wherein the control end is arranged corresponding to the upper end of the middle control rod, the blocking end extends out of a radial window formed in the upper main body of the wall hanging control, and the resistance of the blocking end is from the friction force between the blocking end and the inner wall of an external oil pipe or the blocking force between the blocking end and the oil pipe.
Further, the upward blocking release device comprises a blocking rod pressing bolt 10, a wall hanging blocking rod 11, a wall hanging control upper clamping block 12 and a wall hanging control lower clamping block 13;
the inner end of the wall built-up control upper clamping block is hinged with the upper end of the wall built-up control lower clamping block through a pin shaft, meanwhile, the pin shaft is fixedly connected with the wall built-up control upper main body, and the lower end of the wall built-up control lower clamping block is provided with a right-angle step serving as a control end to prop against the upper end of the middle control rod;
the outer end of the wall hanging control upper clamping block is fixedly connected with the wall hanging blocking rod through a blocking rod compression bolt, and the outer end of the wall hanging blocking rod is used as a blocking end. The wall built-up hindered rod 11 adopts the steel wire with elasticity, can not cause to stab because of stab at oil pipe inner wall or coupling inner wall ring platform etc. and can be because of elasticity, can freely bend from top to bottom and be operating from top to bottom simultaneously can not influence and carry out the effect of transmission radial force as radial transfer line.
Further, a rotary limiting table is arranged on the lower clamping block of the wall built-up control, the upper clamping block of the wall built-up control drives the lower clamping block of the wall built-up control to simultaneously rotate in a linkage manner when the blocked end is blocked, so that the control end leaves the upper end of the middle control rod, and the control on the middle control rod is released.
The up-sampling weight controller mainly comprises: 1. the device comprises a plug main body, 2 parts of heavy hammer, 3 parts of control half shaft, 4 parts of gland, 5 parts of sealing filler, 6 parts of well entering steel wire, 7 parts of hammering control device, 8 parts of upper sampling tube.
The plug main body 1 is a carrier for locking and releasing the heavy hammer 2 by the eccentric control half shaft 3, so that steel wire sealing in the test process is ensured; the heavy hammer 2 is a control main body for closing the upper sampling tube 8; the control half shaft 3 is used for locking or releasing the heavy hammer 2, and judging whether the heavy hammer 2 is released or not through rotation; the gland 4 is a fixed control half shaft 3 which can only do rotary motion and does not do axial motion; the sealing filler 5 ensures high-temperature and high-pressure sealing of the control half shaft 3, and realizes airtight test.
The control semi-axis 3 can lock weight 2 with 45 inclination, and when anticlockwise rotatory control semi-axis 3 is at 45, the semi-axis face of control semi-axis 3 forms tangent state with the cylinder surface of control weight 2, and the draw-in groove of weight 2 loses the control of control semi-axis 3 and does gravity free fall motion along the steel wire, and weight 2 strikes hammering controlling means 7, closes sampling section of thick bamboo 8 on, just so can take out the last sampling section of thick bamboo 8 of being equipped with the sample after the closure, just can realize the purpose of sample extraction. And whether the weight 2 is released can be judged by controlling the half shaft 3 to rotate 360 degrees. The structure of controlling the rotation movement of the half shaft 3 relative to the axial movement is simpler and the sealing is convenient.
The downsampling wall-mounted controller part mainly comprises: 9. the wall hanging control upper main body comprises a wall hanging control upper main body, a wall hanging control blocking rod pressing bolt, a wall hanging blocking rod, a wall hanging control upper clamping block, a wall hanging control lower clamping block, a wall hanging control middle main body, a wall hanging control middle control rod, a wall hanging control middle control rod return spring, a wall hanging control lower main body, a wall hanging control middle main body and a wall hanging control lower sampling pipe. The upper and lower main bodies of the wall hanging control are carriers of the upper and lower clamping blocks of the wall hanging control, so that the accurate control of the wall hanging control clamping blocks is ensured; the main function of the upper clamping block and the lower clamping block of the wall hanging control is to control the key part of closing the sampling tube; the intermediate lever ensures that the cartridge is fully closed.
When the well is down, the closing control rod 17 is propped against the intermediate control rod 14 which is pressed down, so that the lower sampling tube 18 is in an open state, and the intermediate control rod 14 which is pressed down cannot move upwards after being propped against the lower clamping block 13 which is controlled by the hanging wall. When in-place sampling, the wall hanging hindered rod 11 moves downwards by lifting the well steel wire 6, the wall hanging hindered rod 11 drives the wall hanging control upper clamping block 12 to rotate, the wall hanging control upper clamping block 12 drives the wall hanging control lower clamping block 13 to move, the middle control rod 14 moves upwards after being separated from the control of the wall hanging control lower clamping block 13, and the aim of closing the lower sampling tube 18 is fulfilled by moving the closing control rod 17 upwards.
The utility model is a novel dual-mode underground steam sampling switch controller, the heavy hammer and the wall-mounted dual-mode switch are controlled, the functionality is strong, and the safety and the reliability are realized; two samples with different depth points can be taken after one trip, and the success rate and the efficiency are high. The development of a heavy hammer and wall built-up dual-mode switch to control an upper steam sampler and a lower steam sampler, and the realization of normal opening and closing of the upper steam sampler are the key of the technology.
Example 2:
referring to fig. 1 to 8, the present utility model provides a technical solution:
the utility model provides a dual mode steam sampling switch controller in pit, includes the heavy weight controller of upsampling, the heavy weight controller of upsampling is located the top of hammering controlling means, and the heavy weight controller of upsampling 7 can produce hammering force to hammering controlling means through the whereabouts, the upper sampling section of thick bamboo 8 is connected to hammering controlling means lower extreme, and hammering controlling means can close the sample inlet of upper sampling section of thick bamboo, still includes down sampling wall built-up controller;
because the hammering control device 7, the upper sampling tube and the lower sampling tube are all in the well prior art, and are not described in detail, the utility model only partially improves the upper sampling weight controller, and then the lower sampling wall hanging controller is completely developed.
The upper end of the down sampling wall hanging controller is fixedly connected with the lower end of the upper sampling tube, the lower end of the down sampling wall hanging controller is connected with the down sampling tube 18, and the down sampling wall hanging controller can close a sample inlet of the down sampling tube.
Further, the up-sampling heavy hammer controller comprises a plug main body 1, a heavy hammer 2 and a heavy hammer releasing mechanism;
the heavy hammer slides in the axial inner cavity of the plug main body, a heavy hammer center hole for penetrating through the well-entering steel wire is formed in the center of the heavy hammer, and the lower end of the well-entering steel wire is connected with the hammering control device;
the heavy hammer release mechanism is radially arranged in an eccentric radial hole formed in the plug main body, the eccentric radial hole is communicated with the axial inner cavity of the plug main body, and the inner end of the heavy hammer release mechanism can lock and release the heavy hammer.
Further, the heavy hammer release device comprises a control half shaft 3, a gland 4 and a sealing filler 5;
the inner half section of the control half shaft is provided with an axial plane to form a half shaft section, namely the cross section of the half shaft section is D-shaped, the inner half section of the control half shaft is arranged corresponding to the circumferential outer wall of the heavy hammer, the outer half section of the control half shaft is cylindrical, and sealing filler is arranged between the outer wall of the outer half section and the inner wall of the eccentric radial hole of the plug main body;
the gland is arranged in the eccentric radial hole, and the inner end of the gland presses the sealing filler.
Further, the downsampling wall hanging controller comprises a wall hanging control upper main body 9, a wall hanging control lower main body 16, an intermediate control rod 14, an intermediate control rod return spring 15 and an uplink blocking release device;
the upper end of the wall built-up control upper main body is connected with the lower end of the upper sampling tube, the lower end of the wall built-up control upper main body is connected with the upper end of the wall built-up control lower main body, and the lower end of the wall built-up control lower main body is connected with the upper end of the lower sampling tube;
the middle control rod is arranged in the lower wall-mounted control main body, the middle control rod return spring is sleeved on the middle control rod, namely, the upper end of the middle control rod return spring props against a clamping table on the outer wall of the middle control rod, the lower end of the middle control rod return spring props against a clamping table in the lower wall-mounted control main body, and the bottom end of the middle control rod props against a sampling tube closing control rod 17 of the lower sampling tube 18;
the upward blocking release device is provided with a control end and a blocking end, wherein the control end is arranged corresponding to the upper end of the middle control rod, the blocking end extends out of a radial window formed in the upper main body of the wall hanging control, and the resistance of the blocking end is from the friction force between the blocking end and the inner wall of an external oil pipe or the blocking force between the blocking end and the oil pipe.
Example 3:
the utility model provides a dual mode steam sampling switch controller in pit, includes the heavy weight controller of upsampling, the heavy weight controller of upsampling is located the top of hammering controlling means, and the heavy weight controller of upsampling 7 can produce hammering force to hammering controlling means through the whereabouts, the upper sampling section of thick bamboo 8 is connected to hammering controlling means lower extreme, and hammering controlling means can close the sample inlet of upper sampling section of thick bamboo, still includes down sampling wall built-up controller;
because the hammering control device 7, the upper sampling tube and the lower sampling tube are all in the well prior art, and are not described in detail, the utility model only partially improves the upper sampling weight controller, and then the lower sampling wall hanging controller is completely developed.
The upper end of the down sampling wall hanging controller is fixedly connected with the lower end of the upper sampling tube, the lower end of the down sampling wall hanging controller is connected with the down sampling tube 18, and the down sampling wall hanging controller can close a sample inlet of the down sampling tube.
Further, the up-sampling heavy hammer controller comprises a plug main body 1, a heavy hammer 2 and a heavy hammer releasing mechanism;
the heavy hammer slides in the axial inner cavity of the plug main body, a heavy hammer center hole for penetrating through the well-entering steel wire is formed in the center of the heavy hammer, and the lower end of the well-entering steel wire is connected with the hammering control device;
the heavy hammer release mechanism is radially arranged in an eccentric radial hole formed in the plug main body, the eccentric radial hole is communicated with the axial inner cavity of the plug main body, and the inner end of the heavy hammer release mechanism can lock and release the heavy hammer.
Further, the heavy hammer release device comprises a control half shaft 3, a gland 4 and a sealing filler 5;
the inner half section of the control half shaft is provided with an axial plane to form a half shaft section, namely the cross section of the half shaft section is D-shaped, the inner half section of the control half shaft is arranged corresponding to the circumferential outer wall of the heavy hammer, the outer half section of the control half shaft is cylindrical, and sealing filler is arranged between the outer wall of the outer half section and the inner wall of the eccentric radial hole of the plug main body;
the gland is arranged in the eccentric radial hole, and the inner end of the gland presses the sealing filler.
Although all of the above embodiments use fig. 1 to 8, it will be apparent to those skilled in the art that a separate drawing is not provided to illustrate the embodiments, as long as the missing components or structural features are removed from the drawing. As will be clear to a person skilled in the art. Of course, the more components of the embodiment are just the optimal embodiment, the fewer components of the embodiment are basic embodiments, but the basic object of the utility model can be achieved, so all the modified embodiments are within the protection scope of the utility model.
In this application, all parts which are not discussed are known in the art, and the connection manner of all parts in this application is not described in detail. Such as welding, threaded connections, etc.
In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a dual mode steam sampling switch controller in pit, includes the heavy weight controller of upsampling, the heavy weight controller of upsampling is located the top of hammering controlling means, and the heavy weight controller of upsampling can produce hammering force to hammering controlling means through the whereabouts, the upper sampling section of thick bamboo is connected to hammering controlling means lower extreme, and hammering controlling means can close the sample inlet of upper sampling section of thick bamboo, its characterized in that still includes down sampling wall built-up controller;
the upper end of the lower sampling wall hanging controller is fixedly connected with the lower end of the upper sampling tube, the lower end of the lower sampling wall hanging controller is connected with the lower sampling tube, and the lower sampling wall hanging controller can close a sample inlet of the lower sampling tube;
the lower sampling wall hanging controller comprises an upper wall hanging control main body, a lower wall hanging control main body, a middle control rod return spring and an upward blocking release device;
the upper end of the wall built-up control upper main body is connected with the lower end of the upper sampling tube, the lower end of the wall built-up control upper main body is connected with the upper end of the wall built-up control lower main body, and the lower end of the wall built-up control lower main body is connected with the upper end of the lower sampling tube;
the middle control rod is arranged in the lower wall-mounted control main body, the middle control rod return spring is sleeved on the middle control rod, namely, the upper end of the middle control rod return spring props against a clamping table on the outer wall of the middle control rod, the lower end of the middle control rod return spring props against a clamping table in the lower wall-mounted control main body, and the bottom end of the middle control rod props against a sampling tube closing control rod of the lower sampling tube;
the upward blocking release device is provided with a control end and a blocking end, wherein the control end is arranged corresponding to the upper end of the middle control rod, the blocking end extends out of a radial window formed in the upper main body of the wall hanging control, and the resistance of the blocking end is from the friction force between the blocking end and the inner wall of an external oil pipe or the blocking force between the blocking end and the oil pipe.
2. The dual mode downhole steam sampling switch controller according to claim 1, wherein the up-sampling weight controller comprises a plug body, a weight release mechanism;
the heavy hammer slides in the axial inner cavity of the plug main body, a heavy hammer center hole for penetrating through the well-entering steel wire is formed in the center of the heavy hammer, and the lower end of the well-entering steel wire is connected with the hammering control device;
the heavy hammer release mechanism is radially arranged in an eccentric radial hole formed in the plug main body, the eccentric radial hole is communicated with the axial inner cavity of the plug main body, and the inner end of the heavy hammer release mechanism can lock and release the heavy hammer.
3. The dual mode downhole steam sampling switch controller of claim 2, wherein the weight release mechanism comprises a control half shaft, a gland, a sealing packing;
the inner half section of the control half shaft is provided with an axial plane to form a half shaft section, namely the cross section of the half shaft section is D-shaped, the inner half section of the control half shaft is arranged corresponding to the circumferential outer wall of the heavy hammer, the outer half section of the control half shaft is cylindrical, and sealing filler is arranged between the outer wall of the outer half section and the inner wall of the eccentric radial hole of the plug main body;
the gland is arranged in the eccentric radial hole, and the inner end of the gland presses the sealing filler.
4. The dual mode downhole steam sampling switch controller of claim 1 wherein the upward blocking release comprises a blocking rod hold down bolt, a wall built up blocking rod, a wall built up control upper fixture block, a wall built up control lower fixture block;
the inner end of the wall built-up control upper clamping block is hinged with the upper end of the wall built-up control lower clamping block through a pin shaft, meanwhile, the pin shaft is fixedly connected with the wall built-up control upper main body, and the lower end of the wall built-up control lower clamping block is provided with a right-angle step serving as a control end to prop against the upper end of the middle control rod;
the outer end of the wall hanging control upper clamping block is fixedly connected with the wall hanging blocking rod through a blocking rod compression bolt, and the outer end of the wall hanging blocking rod is used as a blocking end.
5. The dual-mode downhole steam sampling switch controller as recited in claim 4, wherein the lower wall-hanging control clamping block is provided with a rotation limiting table, and the upper wall-hanging control clamping block drives the lower wall-hanging control clamping block to simultaneously rotate in a linkage manner when the blocking end is blocked, so that the control end is separated from the upper end of the middle control rod, and the control on the middle control rod is released.
6. A control method employing the dual mode downhole steam sampling switch controller of claim 1, comprising the steps of:
a first step of: the underground steam dryness sampling is firstly deep and then shallow, and after the upper sampling tube and the lower sampling tube are filled with steam underground, the lower sampling tube is controlled to be closed by the lower sampling wall-hanging controller;
and a second step of: then the heavy hammer is released through the upper sampling heavy hammer controller, and the heavy hammer falls to generate hammering force on the hammering control device, so that the hammering control device can close the upper sampling cylinder;
and a third step of: the upper sampling tube and the lower sampling tube are taken out, and then the sample is taken out.
7. The method of claim 6, wherein the specific operation method of the first step is: when the sampling tube is in a well, the closing control rod of the sampling tube is propped by the middle control rod which is pressed down, so that the lower sampling tube is in an open state, and the middle control rod which is pressed down cannot move upwards after being propped by the lower clamping block which is controlled by the hanging wall; when in-place sampling, the wall hanging blocking rod can collide with the inner wall of the oil pipe to generate resistance through lifting the well steel wire, so that the wall hanging blocking rod moves downwards, the wall hanging blocking rod drives the wall hanging control upper clamping block to rotate, the wall hanging control upper clamping block collides with the rotating limiting table on the wall hanging control lower clamping block, the wall hanging control upper clamping block drives the wall hanging control lower clamping block to rotate and swing, the middle control rod moves upwards after being separated from the control of the wall hanging control lower clamping block, and the aim of closing the lower sampling tube is achieved by moving upwards together with the closing control rod.
8. The method of claim 6, wherein the specific operation method of the second step is: the upper sampling heavy hammer controller is positioned outside the wellhead, the control semi-shaft is rotated by hands or tools, when the control semi-shaft is rotated anticlockwise at 45 degrees, the semi-shaft surface of the control semi-shaft and the cylindrical surface of the control heavy hammer form a tangential state, the heavy hammer loses radial extrusion control of the control semi-shaft and does gravity free falling motion along a steel wire, the heavy hammer knocks on the hammering control device, the hammering control device closes the upper sampling tube, and the purpose of sample taking is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862096.8A CN114086952B (en) | 2020-08-24 | 2020-08-24 | Dual-mode underground steam sampling switch controller and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862096.8A CN114086952B (en) | 2020-08-24 | 2020-08-24 | Dual-mode underground steam sampling switch controller and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114086952A CN114086952A (en) | 2022-02-25 |
| CN114086952B true CN114086952B (en) | 2024-02-27 |
Family
ID=80295750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010862096.8A Active CN114086952B (en) | 2020-08-24 | 2020-08-24 | Dual-mode underground steam sampling switch controller and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114086952B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2403894Y (en) * | 1999-09-09 | 2000-11-01 | 辽河石油勘探局钻采工艺研究院 | Underground steam dryness and temperature sampling tester |
| CN202372373U (en) * | 2011-12-20 | 2012-08-08 | 中国石油天然气股份有限公司 | Small-diameter dryness sampler |
| WO2015065391A1 (en) * | 2013-10-30 | 2015-05-07 | Halliburton Energy Services, Inc. | Downhole formation fluid sampler having an inert sampling bag |
| CN105484745A (en) * | 2015-08-13 | 2016-04-13 | 中国石油化工股份有限公司 | Suction type sampler |
| CN206694025U (en) * | 2017-03-31 | 2017-12-01 | 中国石油天然气股份有限公司 | A kind of electronic sampler |
| CN111157701A (en) * | 2020-01-03 | 2020-05-15 | 中国海洋石油集团有限公司 | Coring and sampling integrated logging instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0025302D0 (en) * | 2000-10-14 | 2000-11-29 | Sps Afos Group Ltd | Downhole fluid sampler |
-
2020
- 2020-08-24 CN CN202010862096.8A patent/CN114086952B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2403894Y (en) * | 1999-09-09 | 2000-11-01 | 辽河石油勘探局钻采工艺研究院 | Underground steam dryness and temperature sampling tester |
| CN202372373U (en) * | 2011-12-20 | 2012-08-08 | 中国石油天然气股份有限公司 | Small-diameter dryness sampler |
| WO2015065391A1 (en) * | 2013-10-30 | 2015-05-07 | Halliburton Energy Services, Inc. | Downhole formation fluid sampler having an inert sampling bag |
| CN105484745A (en) * | 2015-08-13 | 2016-04-13 | 中国石油化工股份有限公司 | Suction type sampler |
| CN206694025U (en) * | 2017-03-31 | 2017-12-01 | 中国石油天然气股份有限公司 | A kind of electronic sampler |
| CN111157701A (en) * | 2020-01-03 | 2020-05-15 | 中国海洋石油集团有限公司 | Coring and sampling integrated logging instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114086952A (en) | 2022-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102011582B (en) | Apparatus for testing rock drillability under stratum condition | |
| CN108801686A (en) | A kind of efficient soil sampling apparatus | |
| CN108593343A (en) | One kind can depthkeeping degree soil sampling apparatus | |
| CN209416755U (en) | One kind can closed device for fixed point sampling of coal bed | |
| CN102866037A (en) | Gas hydrate pressure-retaining sampler | |
| CN113008617B (en) | River course water flow quality detection sampling equipment for hydraulic engineering | |
| CN114086952B (en) | Dual-mode underground steam sampling switch controller and control method | |
| CN216524937U (en) | Drilling and taking integrated mining airtight sampling device | |
| CN114199621A (en) | Drilling and taking integrated mining airtight sampling device and sampling method | |
| CN113431566B (en) | Well head polymer injection sampling pressure taking device | |
| CN201396112Y (en) | Large-latus rectum underground test valve | |
| CN107100587B (en) | Three-in-one process pipe column for string inspection, water plugging and seal inspection in petroleum production | |
| CN108223825B (en) | Chemical pipeline plug valve | |
| CN205638447U (en) | Mechanical and electrical integration formula oil well stratified sampling device | |
| CN2903961Y (en) | Coal field drilling gas fidelity sampler | |
| CN208816071U (en) | A kind of high pressure shut-in well oil-water well punching device under pressure | |
| CN209342415U (en) | A kind of underground coal mine sampler | |
| CN107564395A (en) | Simulated experiment well | |
| CN209725278U (en) | Ball valve | |
| CN208999128U (en) | A kind of sampler for in-situ test | |
| CN219245062U (en) | Double-air chamber sampler | |
| CN219589974U (en) | Layered soil detection sampling equipment | |
| CN220930340U (en) | Improved generation all-welded ball valve rod | |
| CN205654337U (en) | Steam quality sampler in pit with adjustable | |
| CN208951699U (en) | Convenient adjustment type vane type fluid flow switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |