CN217058961U - Hand-held type crude oil-water interface survey device - Google Patents

Abstract

The utility model discloses a hand-held crude oil-water interface measuring device, which relates to the technical field of oil-water interface measurement, the utility model comprises an outer cylinder, the inner side wall of the outer cylinder is connected with an inner cylinder in a sliding way, and the end part of the inner cylinder is fixedly connected with a handle; dovetail grooves are formed in two sides of the inner barrel, reagent strips are placed on the inner side walls of the dovetail grooves, and a sealing plate is mounted at the bottom of the outer barrel; the utility model is easy to operate, small in volume, light in weight, easy to carry and operate by personnel in the oil well production field, easy to be used in the oil field production field measurement environment, beneficial to be popularized and applied in the oil field production, and beneficial to solving the problem of oil-water interface measurement in the oil field production with low cost; the influence of the solidified crude oil on the middle upper part of the single-well storage tank on the probe of the measuring instrument is reasonably solved by an effective mechanical structure and without adopting a probe measuring mode; the chemical reaction strip is a consumable, and multiple measurements can be realized by replacing the chemical reaction strip.

Description

Hand-held type crude oil-water interface survey device

Technical Field

The utility model relates to an oil water interface survey technical field especially relates to a hand-held type crude oil water interface survey device.

Background

In the process of crude oil production, accurate yield measurement is an important reference index for stable yield and increased yield of an oil well. However, many wells cannot connect the well export pipeline directly to the oilfield metering station due to geographic location or other reasons, and instead have to be stored in single well storage tanks and transported in separate operations, so single well storage tank production metering is a routine task in well production as described above. The single-well storage tank is usually formed by coexistence of oil and water phases, but usually, due to climate or crude oil physical properties, a layer of thick solidified crude oil is formed at the uppermost part of the liquid in the single-well storage tank, and the oil-water interface measurement is seriously influenced by the thick solidified crude oil.

The existing oil-water interface technology at present comprises a pressure difference type, a float type, a magnetostriction type, an ultrasonic detection type, a capacitance type and the like, when a measuring probe of the device passes through solidified crude oil, the surface of the measuring probe is easily covered by the solidified crude oil, so that the measured data is inaccurate; more importantly, most products are inconvenient for daily detection of operators due to the structure, volume or principle, the detection devices are not conveniently applied to the production process of an oil well, the existing monitoring devices are difficult to install due to expansion of reagent strips when in use, and oil is accumulated in dovetail grooves due to too few reagent strips, so that the problem is solved by the handheld crude oil-water interface measuring device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that when a measuring probe of the device in the prior art passes through solidified crude oil, the surface of the measuring probe is easily covered by the solidified crude oil, so that the measured data is inaccurate; more importantly, most products are inconvenient for daily detection of operators due to the structure, volume or principle, the detection devices are not conveniently applied to the production process of an oil well, the existing monitoring device has the problems that the existing monitoring device is difficult to install due to expansion of reagent strips, and oil is accumulated in dovetail grooves due to too few reagent strips, so that the handheld crude oil-water interface measuring device is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a handheld crude oil-water interface measuring device comprises an outer cylinder, wherein the inner side wall of the outer cylinder is connected with an inner cylinder in a sliding manner, and the end part of the inner cylinder is fixedly connected with a handle;

the reagent strip has been placed to the inside wall of dovetail, the closing plate is installed to the bottom of urceolus, the closing plate is close to drive arrangement is installed to one side of inner tube, the internally mounted of inner tube has push mechanism, push mechanism with the inside wall sliding connection of dovetail, the internally mounted of inner tube has clamping mechanism, drive arrangement's output with push mechanism's input is connected.

Preferably, a plurality of through holes are symmetrically formed in the side wall of the outer barrel, scales are symmetrically arranged on the outer side wall of the outer barrel, the inner side wall of the dovetail groove is connected with a cleaning block in a sliding mode, and one end, far away from the sealing plate, of the outer barrel is fixedly connected with a stop block.

Preferably, the driving device comprises a plug block, a plug groove and a bidirectional worm; the outer side wall of the insertion block is attached to the inner side wall of the insertion groove, the insertion block is of a six-sided column shape, the insertion groove is of a six-sided column shape, and the insertion groove is formed in one end of the bidirectional worm.

Preferably, the pushing mechanism comprises a worm gear sleeve, a return spring, a connecting rod and a push plate; the opposite side of the worm gear sleeve is fixedly connected with the end part of the reset spring, one end of the connecting rod is connected with the outer side wall of the worm gear sleeve through a bearing, and the side wall of the push plate, which is close to the central axis of the inner cylinder, is connected with the other end of the connecting rod through a bearing.

Preferably, the clamping mechanism comprises a pull rope, a clamping spring, a clamping plate, an N-pole magnetic plate and an S-pole magnetic plate; one end of the pull rope is fixedly connected with the end part of the clamping plate, one end of the clamping spring is fixedly connected with the end part of the clamping plate, the clamping spring is sleeved on the outer side wall of the pull rope, and the N pole magnetic plate and the S pole magnetic plate are arranged in an opposite mode.

Preferably, the end of the plug-in block is fixedly connected with one side of the sealing plate close to the inner cylinder, and the end of the bidirectional worm is connected with the inner side wall of the inner cylinder through a bearing.

Preferably, the inner side wall of the worm wheel sleeve is meshed with the outer side wall of the bidirectional worm, the reset spring is sleeved on the outer side wall of the bidirectional worm, the outer side wall of the push plate is in sliding connection with the inner side wall of the dovetail groove, and the outer side wall of the push plate is attached to the reagent strip.

Preferably, the other end of the pull rope is fixedly connected with the bottom of the push plate, the other end of the clamping spring is fixedly connected with the inner side wall of the inner cylinder, the outer side wall of the clamping plate is slidably connected with the inner side wall of the inner cylinder, the top of the N-pole magnetic plate is fixedly connected with the bottom of the push plate, and the bottom of the S-pole magnetic plate is fixedly connected with the bottom of the inner side wall of the dovetail groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is easy to operate, solves the problem that the measurement accuracy is influenced because the measuring probe is covered by crude oil through the cooperation of an ingenious mechanical structure and a water testing reagent, has small volume and light weight, is easy to carry and operate by personnel in an oil well production field, is simple to operate, is easy to be used in the measurement environment in the oil field production field, is favorable for popularization and application in the oil field production, and is favorable for solving the problem of oil-water interface measurement in the oil field production at low cost; the influence of the solidified crude oil on the middle upper part of the single-well storage tank on the probe of the measuring instrument is reasonably solved by an effective mechanical structure and without adopting a probe measuring mode; the chemical reaction strip is a consumable, and multiple measurements can be realized by replacing the chemical reaction strip.

2. The utility model discloses a clamping mechanism 'S use, when installing the reagent strip, make the push pedal inwards move through external force, make N utmost point magnetic sheet and S utmost point magnetic sheet actuation mutually, make the stay cord be in the rope loosening state, the clamp plate will outwards move under clamping spring' S effect this moment, realize the tight operation of clamp to the reagent strip, be convenient for to the installation of inner tube and urceolus, because the inflation of reagent strip influences the installation when preventing to install, guaranteed the speed and the quality of installation, make things convenient for personnel to use.

3. This send through drive arrangement, push mechanism and clamping mechanism's cooperation is used, when surveying, rotation through the handle drives the inner tube and rotates, and then make the relative rotation of two-way worm, make the worm gear cover remove to the both ends of two-way worm, outwards release the push pedal through the connecting rod, outwards release of push pedal, will make stay cord pulling clamp plate inwards move, make the reagent strip can paste the inside wall of tight through-hole, when preventing surveying, the inside that profit got into the dovetail influences the test precision of reagent strip, the precision of survey has been guaranteed, make things convenient for personnel to use.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a handheld crude oil-water interface measuring device provided by the present invention;

fig. 2 is a schematic diagram of a three-dimensional cross-sectional structure of a handheld crude oil-water interface measuring device provided by the present invention;

fig. 3 is a schematic diagram of a three-dimensional structure of a main structure of a handheld crude oil-water interface measuring device provided by the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 of the handheld crude oil-water interface measuring device provided by the present invention;

fig. 5 is a schematic three-dimensional structure diagram of a clamping mechanism of the handheld crude oil-water interface measuring device provided by the utility model;

fig. 6 is the utility model provides a three-dimensional spatial structure schematic diagram of the pushing mechanism of the hand-held crude oil-water interface measuring device.

In the figure: 1. an outer cylinder; 2. an inner barrel; 3. a handle; 4. a sealing plate; 5. a through hole; 6. calibration; 7. a stopper; 8. cleaning the block; 9. a dovetail groove; 10. a drive device; 101. an insertion block; 102. inserting grooves; 103. a bidirectional worm; 11. a pushing mechanism; 111. a worm gear sleeve; 112. a return spring; 113. a connecting rod; 114. pushing the plate; 12. a clamping mechanism; 121. pulling a rope; 122. a clamping spring; 123. a clamping plate; 124. an N-pole magnetic plate; 125. and an S pole magnetic plate.

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.

Referring to fig. 1-6, a handheld crude oil-water interface measuring device comprises:

the reagent strip detection device comprises an outer barrel 1, wherein the inner side wall of the outer barrel 1 is connected with an inner barrel 2 in a sliding mode, the end part of the inner barrel 2 is fixedly connected with a handle 3, dovetail grooves 9 are formed in two sides of the inner barrel 2, reagent strips are placed on the inner side wall of each dovetail groove 9, a sealing plate 4 is installed at the bottom of the outer barrel 1, a driving device 10 is installed on one side, close to the inner barrel 2, of each sealing plate 4, and the driving device 10 is used for driving the internal structure of the inner barrel 2 to work;

the pushing mechanism 11 is installed inside the inner cylinder 2, and is in sliding connection with the inner side wall of the dovetail groove 9, the pushing mechanism 11 is driven by the driving device 10 to work, and the pushing mechanism 11 is used for pushing reagent strips to test;

the clamping mechanism 12 is installed inside the inner barrel 2, the clamping mechanism 12 is driven by the pushing mechanism 11 and is also driven by external force, and the clamping mechanism 12 is used for clamping reagent strips, so that the inner barrel 2 and the outer barrel 1 can be conveniently installed.

Wherein, a plurality of through-holes 5 have been seted up to the lateral wall symmetry of urceolus 1, and the lateral wall symmetry of urceolus 1 is provided with scale 6, and the inside wall sliding connection of dovetail 9 has cleaning block 8, and the one end fixedly connected with dog 7 of closing plate 4 is kept away from to urceolus 1.

The driving device 10 comprises an insertion block 101, an insertion groove 102 and a bidirectional worm 103; the outer side wall of the insertion block 101 is attached to the inner side wall of the insertion groove 102, the insertion block 101 is of a hexahedral column shape, the insertion groove 102 is of a hexahedral column shape, and the insertion groove 102 is formed in one end of the bidirectional worm 103;

with the above arrangement, a driving force is provided for the operation of the pushing mechanism 11.

Wherein, the pushing mechanism 11 comprises a worm gear sleeve 111, a return spring 112, a connecting rod 113 and a push plate 114; the opposite side of the worm gear sleeve 111 is fixedly connected with the end part of the return spring 112, one end of the connecting rod 113 is connected with the outer side wall of the worm gear sleeve 111 through a bearing, and the side wall of the push plate 114 close to the central axis of the inner cylinder 2 is connected with the other end of the connecting rod 113 through a bearing;

through the setting of above-mentioned structure, realize packing up clamping mechanism 12 when the survey for the reagent strip can paste the inside wall of tight through-hole 5, prevent when surveying, the test precision of the inside influence reagent strip that profit got into dovetail 9 has guaranteed the precision of survey, makes things convenient for personnel to use.

The clamping mechanism 12 comprises a pull rope 121, a clamping spring 122, a clamping plate 123, an N-pole magnetic plate 124 and an S-pole magnetic plate 125; one end of the pull rope 121 is fixedly connected with the end of the clamping plate 123, one end of the clamping spring 122 is fixedly connected with the end of the clamping plate 123, the clamping spring 122 is sleeved on the outer side wall of the pull rope 121, and the N-pole magnetic plate 124 is opposite to the S-pole magnetic plate 125;

through the setting of above-mentioned structure, realize the tight operation of clamp to the reagent strip, be convenient for to the installation of inner tube 2 and urceolus 1, because the inflation of reagent strip influences the installation when preventing to install, guaranteed the speed and the quality of installation, make things convenient for personnel to use.

The end of the plug block 101 is fixedly connected to one side of the sealing plate 4 close to the inner cylinder 2, and the end of the bidirectional worm 103 is connected to the inner side wall of the inner cylinder 2 through a bearing.

The inner side wall of the worm wheel sleeve 111 is meshed with the outer side wall of the bidirectional worm 103, the reset spring 112 is sleeved on the outer side wall of the bidirectional worm 103, the outer side wall of the push plate 114 is slidably connected with the inner side wall of the dovetail groove 9, and the outer side wall of the push plate 114 is attached to the reagent strip.

The other end of the pull rope 121 is fixedly connected with the bottom of the push plate 114, the other end of the clamping spring 122 is fixedly connected with the inner side wall of the inner cylinder 2, the outer side wall of the clamping plate 123 is slidably connected with the inner side wall of the inner cylinder 2, the top of the N-pole magnetic plate 124 is fixedly connected with the bottom of the push plate 114, and the bottom of the S-pole magnetic plate 125 is fixedly connected with the bottom of the inner side wall of the dovetail groove 9.

In the utility model, when in use, the inner barrel 2 is pulled out from the outer barrel 1, the reagent strip of the water measuring reagent is stained on the uniform filling in the dovetail grooves 9 at the two sides of the inner barrel 2, the reagent strip is smooth and has proper compactness, when the reagent strip is filled, the push plate 114 is moved inwards by external force, the N pole magnetic plate 124 and the S pole magnetic plate 125 are attracted, the pull rope 121 is in a loose rope state, the clamping plate 123 moves outwards under the action of the clamping spring 122, the clamping operation of the reagent strip is realized, the reagent strip can not be exposed out of the dovetail grooves 9, the inner barrel 2 is inserted back into the outer barrel 1, the inserting block 101 enters the inserting groove 102, the handle 3 rotates the outer barrel 1 and the inner barrel 2 relatively, until the cleaning block 8 reaches the stop 7 at the upper part of the outer barrel 1, the through holes 5 on the dovetail grooves 9 and the outer barrel 1 are staggered, and the bottom of the outer barrel 1 is sealed by the sealing plate 4, through the tight fit and sealing of the inner barrel 2 and the outer barrel 1, the device is prevented from being polluted by the fact that the reagent strip is too early contacted with the oil-water mixed liquid to influence the measurement result in the process of placing the device into the storage tank;

slowly putting the device into the oil-water mixed liquid in the storage tank until the bottom of the storage tank, and keeping the device in a vertical position.

The direction opposite to the first step of rotation is the same, the handle 3 is held by hand to relatively rotate the inner cylinder 2 and the outer cylinder 1, so that the dovetail groove 9 of the inner cylinder 2 and the through hole 5 on the outer cylinder 1 are in the same direction, or the cleaning block 8 of the inner cylinder 2 is positioned in the middle of the stop block 7 of the outer cylinder 1, in the process, due to the rotation of the inner cylinder 2, the bidirectional worm 103 relatively rotates, so that the worm wheel sleeve 111 moves towards two ends of the bidirectional worm 103, the push plate 114 is outwards pushed out through the connecting rod 113, the outward pushing of the push plate 114 can cause the pull rope 121 to pull the clamping plate 123 to move inwards, the reagent strip cannot be clamped, and the reagent strip can be attached to the inner side wall of the through hole 5; at the moment, the reagent strip is positioned at the through hole 5 of the outer barrel 1, the oil-water mixed solution in the storage tank can permeate into the reagent strip and chemically react with the reagent strip, so that the color of the contact part of the reagent strip and the water in the mixed solution is changed, and the color of the contact part of the reagent strip and the oil is not changed; waiting for about 20 seconds, after full reaction, relatively rotating the cleaning block 8 of the inner cylinder 2 to contact with the stop dog 7 on the outer cylinder 1 according to the first-step rotating direction, at this time, the through hole 5 of the outer cylinder 1 is sealed due to the close fit of the inner cylinder 2 and the outer cylinder 1, at this time, the bidirectional worm 103 relatively rotates due to the rotation of the inner cylinder 2, so that the worm wheel sleeve 111 moves towards the opposite side, the push plate 114 is pulled inwards through the connecting rod 113, the inward movement of the push plate 114 can prevent the pull rope 121 from pulling the clamping plate 123, the clamping plate 123 can clamp the reagent strips again under the action of the clamping spring 122, external oil and water can not flow into the reagent strips in the mixed liquid 9, and the reagent strips are protected from being polluted in the process of taking out the device from the storage tank;

taking the device out of the storage tank, and wiping residual liquid outside the device by using a rag; rotating in the opposite direction of the previous step to enable the dovetail groove 9 of the inner cylinder 2 and the through hole 5 on the outer cylinder 1 to be in the same direction, or enabling the cleaning block 8 of the inner cylinder 2 to be located in the middle of the stop block 7 of the outer cylinder 1; at the moment, the reagent strip is positioned at the through hole 5 of the outer barrel 1, the color change of the reagent strip is observed, the lowest part of the reagent strip is contacted with water to change the color, the uppermost part of the reagent strip is not contacted with oil to change, and the interface of the upper part and the lower part is the oil-water interface; according to the readings of the scale 6 on the outer cylinder 1, the depth value of the oil-water interface in the crude oil storage tank is obtained;

under normal conditions, the oil-water interface can be accurately measured in the last step, but sometimes, in order to avoid misjudgment, reagent strips with different structures can be manufactured in the next embodiment, and then the requirements for judging the oil-water interface in the oil field production process can be completely met through the step. Specifically, the method comprises the following steps: the inner barrel 2 is pulled out, the reagent strips with the multilayer structure are taken out and unfolded from the dovetail groove 9, and after the reagent strips are of the multilayer structure and are permeated by multiple layers of water, a rectangular colored area appears on the reagent strips, and the boundary of the area is the boundary of an oil-water interface, so that misjudgment of the reagent strips at the outermost layer due to oil pollution can be avoided; and (4) according to the indication number of the scales 6 on the outer cylinder 1, obtaining the depth value of the oil-water interface in the crude oil storage tank.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A handheld crude oil-water interface measuring device comprises an outer cylinder (1), wherein the inner side wall of the outer cylinder (1) is connected with an inner cylinder (2) in a sliding manner, and is characterized in that the end part of the inner cylinder (2) is fixedly connected with a handle (3);

dovetail (9) have been seted up to the both sides of inner tube (2), and reagent strip has been placed to the inside wall of dovetail (9), closing plate (4) are installed to the bottom of urceolus (1), closing plate (4) are close to drive arrangement (10) are installed to one side of inner tube (2), the internally mounted of inner tube (2) has push mechanism (11), push mechanism (11) with the inside wall sliding connection of dovetail (9), the internally mounted of inner tube (2) has clamping mechanism (12), the output of drive arrangement (10) with the input of push mechanism (11) is connected.

2. The handheld crude oil water interface measuring device according to claim 1, wherein a plurality of through holes (5) are symmetrically formed in the side wall of the outer cylinder (1), scales (6) are symmetrically arranged on the outer side wall of the outer cylinder (1), a cleaning block (8) is slidably connected to the inner side wall of the dovetail groove (9), and a stop block (7) is fixedly connected to one end, far away from the sealing plate (4), of the outer cylinder (1).

3. The hand-held crude oil-water interface measuring device according to claim 1, wherein the driving device (10) comprises an insertion block (101), an insertion groove (102) and a bidirectional worm (103); the outer side wall of the inserting block (101) is attached to the inner side wall of the inserting groove (102), the inserting block (101) is of a six-sided column shape, the inserting groove (102) is of a six-sided column shape, and the inserting groove (102) is formed in one end of the bidirectional worm (103).

4. The hand-held crude oil-water interface measuring device as claimed in claim 3, wherein the pushing mechanism (11) comprises a worm gear sleeve (111), a return spring (112), a connecting rod (113) and a push plate (114); the opposite side of the worm wheel sleeve (111) is fixedly connected with the end part of the return spring (112), one end of the connecting rod (113) is connected with the outer side wall of the worm wheel sleeve (111) through a bearing, and the side wall of the push plate (114) close to the central axis of the inner cylinder (2) is connected with the other end of the connecting rod (113) through a bearing.

5. The hand-held crude oil water interface measuring device as claimed in claim 4, wherein the clamping mechanism (12) comprises a pull rope (121), a clamping spring (122), a clamping plate (123), an N pole magnetic plate (124) and an S pole magnetic plate (125); one end of the pull rope (121) is fixedly connected with the end of the clamping plate (123), one end of the clamping spring (122) is fixedly connected with the end of the clamping plate (123), the clamping spring (122) is sleeved on the outer side wall of the pull rope (121), and the N pole magnetic plate (124) is arranged opposite to the S pole magnetic plate (125).

6. A hand-held crude oil water interface measuring device according to claim 3, wherein the end of the plug block (101) is fixedly connected with one side of the sealing plate (4) close to the inner cylinder (2), and the end of the bidirectional worm (103) is connected with the inner side wall of the inner cylinder (2) through a bearing.

7. The hand-held crude oil-water interface measuring device according to claim 4, wherein the inner side wall of the worm gear sleeve (111) is meshed with the outer side wall of the bidirectional worm (103), the reset spring (112) is sleeved on the outer side wall of the bidirectional worm (103), the outer side wall of the push plate (114) is slidably connected with the inner side wall of the dovetail groove (9), and the outer side wall of the push plate (114) is attached to the reagent strip.

8. The hand-held crude oil water interface measuring device according to claim 5, wherein the other end of the pull rope (121) is fixedly connected with the bottom of the push plate (114), the other end of the clamping spring (122) is fixedly connected with the inner side wall of the inner barrel (2), the outer side wall of the clamping plate (123) is slidably connected with the inner side wall of the inner barrel (2), the top of the N-pole magnetic plate (124) is fixedly connected with the bottom of the push plate (114), and the bottom of the S-pole magnetic plate (125) is fixedly connected with the bottom of the inner side wall of the dovetail groove (9).

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