CN113175323A - Diversion chamber for evaluating acid etching and different sand laying concentrations of rock plate - Google Patents
Diversion chamber for evaluating acid etching and different sand laying concentrations of rock plate Download PDFInfo
- Publication number
- CN113175323A CN113175323A CN202110521405.XA CN202110521405A CN113175323A CN 113175323 A CN113175323 A CN 113175323A CN 202110521405 A CN202110521405 A CN 202110521405A CN 113175323 A CN113175323 A CN 113175323A
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- Prior art keywords
- plate
- diversion chamber
- rock
- acid etching
- different sand
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- 239000011435 rock Substances 0.000 title claims abstract description 46
- 239000002253 acid Substances 0.000 title claims abstract description 22
- 238000005530 etching Methods 0.000 title claims abstract description 22
- 239000004576 sand Substances 0.000 title claims abstract description 10
- 238000011156 evaluation Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000009530 blood pressure measurement Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a diversion chamber for acid etching of rock plates and evaluation of different sand-laying concentrations, which comprises a bottom plate, a top plate and a diversion chamber main body, wherein support rods are fixedly connected between four corners of the top of the bottom plate and four corners of the bottom of the top plate, sliding plates are connected between the outer sides of the top and the bottom of the support rods in a sliding manner, and adjusting and pressing components are arranged at the bottom of the bottom plate and the top of the top plate respectively. And further, the accuracy of evaluation results of acid etching of the rock plate and different sand laying concentrations is ensured.
Description
Technical Field
The invention belongs to the technical field of petroleum engineering, and particularly relates to a diversion chamber for evaluating acid etching of rock plates and different sand laying concentrations.
Background
In the existing life, an acid fracturing technology is one of key technologies for yield increase and transformation of carbonate oil and gas reservoirs, acid liquor is used for non-uniformly etching the wall surface of a crack during acid fracturing construction, after construction is finished, an undissolved area is used as a supporting point under the action of closed pressure, an acid-etched crack with certain geometric size and flow conductivity is formed, and therefore yield increase of an oil and gas well is achieved.
But the sealed effect of current API standard diversion room rock plate is relatively poor to lead to rock plate acid etching and different sanding concentration evaluation results to receive the influence, the inside of current API standard diversion room simultaneously lacks the equipment of carrying out sealed protection to the rock plate breakage, if when rock plate self has the defect, takes place breakage easily at the pressure-bearing in-process, thereby lead to the test fluid to carry out the drunkenness through broken rock plate, and then make the test result distortion, be unfavorable for actual use.
The invention content is as follows:
the invention aims to solve the problems in the prior art by providing a diversion chamber for evaluating acid etching of a rock plate and different sand laying concentrations.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a rock plate acid etching and different sanding concentration evaluation water conservancy diversion rooms, includes bottom plate, roof and water conservancy diversion room main part, equal fixedly connected with bracing piece between the four corners at bottom plate top and the four corners of roof bottom, equal sliding connection has the sliding plate between the outside of bracing piece top and bottom, the bottom of bottom plate all is provided with the regulation with the top of roof and compresses tightly the subassembly, water conservancy diversion room main part sets up between two sliding plates, the sliding plate is close to the equal fixedly connected with closing plate in one side of water conservancy diversion room main part, one side that the sliding plate was kept away from to the closing plate all is provided with the gasbag.
As preferred, the inside of diversion chamber main part is provided with the proppant layer, the inside of diversion chamber main part and the upper and lower both ends that are located the proppant layer all are provided with the rock plate, first seal groove has all been seted up to the top and the bottom of diversion chamber main part inner wall, the second seal groove has all been seted up to the inner wall of diversion chamber main part and the one side that is located first seal groove.
Preferably, the adjusting and compressing assembly comprises a fixing nut, the bottom of the bottom plate and the top of the top plate are fixedly connected with the fixing nut, adjusting screws are connected inside the fixing nut in a threaded manner, and one ends of the adjusting screws, which are close to the sliding plate, penetrate through the corresponding bottom plate or the corresponding top plate and are rotatably connected with the sliding plate.
Preferably, the sealing plate is made of rubber.
Preferably, one side of the air bag close to the sealing plate is fixedly connected with an inflation tube, and one end of the inflation tube far away from the air bag penetrates through the corresponding sealing plate and the corresponding sliding plate.
Preferably, the size of the first sealing groove is matched with the size of the corresponding sealing plate.
Preferably, the second sealing grooves are matched with the corresponding air bags.
Preferably, pressure measuring ports are formed in two sides of the diversion chamber main body and one side of the diversion chamber main body, which is located in the second sealing groove, and liquid inlet and outlet holes are formed in two sides of the diversion chamber main body and one side of the diversion chamber main body, which is located in the pressure measuring ports.
Preferably, one end of the adjusting screw rod, which is far away from the sliding plate, is fixedly connected with an adjusting knob.
The invention has the beneficial effects that: the rock plate sealing device is compact in structure, simple and convenient to operate and high in practicability, the rubber sealing plates are arranged at the top and the bottom of the diversion chamber main body, the diversion chamber main body can be preliminarily sealed, and the air bags are matched for inflation sealing, so that the integral sealing effect of the rock plate of the diversion chamber can be increased, the rock plate can be ensured to be tightly attached to the rock plate when the rock plate is broken in the pressure bearing process, the self-crack sealing of the rock plate is realized, the test fluid is prevented from channeling through the broken rock plate, and the accuracy of the rock plate acid etching and different sand laying concentration evaluation results is further ensured.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of the present invention with the overall structure broken away;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic structural diagram of the main body of the diversion chamber of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a base plate; 2. a top plate; 3. a diversion chamber main body; 31. a proppant layer; 32. a rock plate; 33. a first seal groove; 34. a second seal groove; 35. a pressure measuring port; 36. a liquid inlet and outlet hole; 4. a support bar; 5. a sliding plate; 6. adjusting the compaction assembly; 61. fixing a nut; 62. adjusting the screw rod; 63. adjusting a knob; 7. a sealing plate; 8. an air bag; 9. and an inflation tube.
The specific implementation mode is as follows:
as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment:
example (b):
a diversion chamber for acid etching of rock plates and evaluation of different sand-laying concentrations comprises a bottom plate 1, a top plate 2 and a diversion chamber main body 3, wherein supporting rods 4 are fixedly connected between four corners of the top of the bottom plate 1 and four corners of the bottom of the top plate 2, and the top plate 2 and the bottom plate 1 are conveniently and better supported and connected through the supporting rods 4; sliding plates 5 are connected between the outer sides of the top and the bottom of the supporting rod 4 in a sliding manner, and the supporting rod 4 is convenient for limiting the movement of the sliding plates 5; the bottom of the bottom plate 1 and the top of the top plate 2 are both provided with an adjusting and pressing assembly 6, the diversion chamber main body 3 is arranged between the two sliding plates 5, and the sliding plates 5 are convenient for better pressing and sealing the top and the bottom of the diversion chamber main body 3; and a sealing plate 7 is fixedly connected to one side of the sliding plate 5 close to the diversion chamber main body 3, and an air bag 8 is arranged on one side of the sealing plate 7 far away from the sliding plate 5.
Wherein, the inside of diversion chamber main part 3 is provided with proppant layer 31, the inside of diversion chamber main part 3 and the upper and lower both ends that are located proppant layer 31 all are provided with the detritus 32, first seal groove 33 has all been seted up to the top and the bottom of 3 inner walls of diversion chamber main part, second seal groove 34 has all been seted up to the inner wall of diversion chamber main part 3 and the one side that is located first seal groove 33, and the inside of diversion chamber main part 3 is provided with the inner chamber for installation proppant layer 31 and detritus 32 are convenient for better the operation of carrying on reality through diversion chamber main part 3.
The adjusting and compressing assembly 6 comprises a fixing nut 61, the bottom of the bottom plate 1 and the top of the top plate 2 are fixedly connected with the fixing nut 61, the inside of the fixing nut 61 is connected with an adjusting screw 62 in a threaded manner, one end of the adjusting screw 62 close to the sliding plate 5 penetrates through the corresponding bottom plate 1 or top plate 2 and is rotatably connected with the sliding plate 5, when the flow guide chamber main body 3 needs to be preliminarily sealed, the adjusting screw 62 can be rotated by the aid of the adjusting screw 62, so that the relative position between the adjusting screw 62 and the fixing nut 61 is changed, the purpose of adjusting the position of the sliding plate 5 is further achieved, and the two sliding plates 5 are respectively subjected to preliminary sealing operation with the top and the bottom of the flow guide chamber main body 3.
Wherein, closing plate 7 is formed by the preparation of rubber material for closing plate 7's result of use is better, thereby is convenient for the preliminary sealed effect of better increase.
Wherein, the equal fixedly connected with gas tube 9 in one side that gasbag 8 is close to closing plate 7, the one end that gasbag 8 was kept away from to gas tube 9 all runs through corresponding closing plate 7 and sliding plate 5, is convenient for better aerify gasbag 8 through gas tube 9 to better use gasbag 8, convenient operation is swift simultaneously, after the end evaluation operation, can be quick deflate the dismantlement to equipment.
Wherein, the size of a dimension of first seal groove 33 all cooperatees with the size of a dimension of the closing plate 7 that corresponds, and through the cooperation between first seal groove 33 and the closing plate 7, be convenient for better increase the sealed effect between closing plate 7 and the flow guide chamber main part 3.
Wherein, second seal groove 34 all mutually supports with the gasbag 8 that corresponds, through the cooperation between second seal groove 34 and the gasbag 8, after gasbag 8 is full of gas, gasbag 8 is full of the inside of second seal groove 34, thereby further seal flow guide chamber main part 3, gasbag 8 after being full of gas simultaneously closely laminates with rock plate 32, thereby can guarantee hugging closely rock plate 32 when bearing pressure in-process rock plate 32 is broken, realize the sealed to rock plate 32 self fracture, thereby avoid the test fluid to carry out the scurry flow through broken rock plate 32, and then guaranteed the accuracy of rock plate 32 acid etching and different sanding concentration evaluation results.
Wherein, the one end that adjusting screw 62 kept away from the sliding plate 5 all is fixedly connected with adjust knob 63, is convenient for better adjusting screw 62 rotates through adjust knob 63.
The using state of the invention is as follows: the equipment is placed at a designated support position, firstly, the propping agent layer 31 and the rock plate 32 are installed inside the diversion chamber main body 3, then the adjusting screw 62 is adjusted by rotating the adjusting knob 63, so that the relative position between the adjusting screw 62 and the fixing nut 61 is changed, and further the purpose of adjusting the position of the sliding plate 5 is achieved, so that the two sliding plates 5 perform primary sealing operation with the top and the bottom of the diversion chamber main body 3 respectively, after the two sliding plates 5 are tightly attached with the top and the bottom of the diversion chamber main body 3 respectively, the sealing plate 7 enters the corresponding first sealing groove 33, meanwhile, the air bag 8 also enters the interior of the diversion chamber main body 3, then, the air bag 8 can be inflated through the inflation tube 9, so that the air bag 8 can be better used, the operation is convenient and fast, after the evaluation operation is finished, the equipment can be rapidly deflated and disassembled, the gasbag 8 after being full of gas is full of the inside packing of second seal groove 34 to further seal water conservancy diversion room main part 3, gasbag 8 after being full of gas simultaneously closely laminates with rock plate 32, thereby can guarantee hugging closely rock plate 32 when bearing pressure in-process rock plate 32 is broken, realize the fissured sealed to rock plate 32 self, thereby avoid test fluid to carry out the scurry through broken rock plate 32, and then guaranteed the accuracy of rock plate 32 acid etching and different sanding concentration evaluation results.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (9)
1. The utility model provides a rock plate acid etching and different sanding concentration evaluation water conservancy diversion rooms, its characterized in that, includes bottom plate (1), roof (2) and water conservancy diversion room main part (3), equal fixedly connected with bracing piece (4) between the four corners at bottom plate (1) top and the four corners of roof (2) bottom, equal sliding connection has sliding plate (5) between the outside of bracing piece (4) top and bottom, the bottom of bottom plate (1) and the top of roof (2) all are provided with adjusts compressing assembly (6), water conservancy diversion room main part (3) set up between two sliding plates (5), sliding plate (5) are close to equal fixedly connected with closing plate (7) in one side of water conservancy diversion room main part (3), one side that sliding plate (5) were kept away from in closing plate (7) all is provided with gasbag (8).
2. The diversion chamber for acid etching of rock plates and evaluation of different sand-laying concentrations as claimed in claim 1, wherein a proppant layer (31) is arranged inside the diversion chamber main body (3), rock plates (32) are arranged inside the diversion chamber main body (3) and at the upper and lower ends of the proppant layer (31), first sealing grooves (33) are formed in the top and bottom of the inner wall of the diversion chamber main body (3), and second sealing grooves (34) are formed in the inner wall of the diversion chamber main body (3) and at one side of the first sealing grooves (33).
3. The diversion chamber for rock acid etching and different sand laying concentration evaluation according to claim 1, wherein the adjusting and compressing assembly (6) comprises a fixing nut (61), the fixing nut (61) is fixedly connected to the bottom of the bottom plate (1) and the top of the top plate (2), an adjusting screw (62) is in threaded connection with the inside of the fixing nut (61), and one end, close to the sliding plate (5), of the adjusting screw (62) penetrates through the corresponding bottom plate (1) or top plate (2) and is rotatably connected with the sliding plate (5).
4. The diversion chamber for evaluating acid etching of rock plates and different sand laying concentrations as claimed in claim 1, wherein said sealing plate (7) is made of rubber.
5. The diversion chamber for evaluating acid etching and different sand laying concentrations of rock plates as claimed in claim 1, wherein an air charging pipe (9) is fixedly connected to one side of each air bag (8) close to the corresponding sealing plate (7), and one end of each air charging pipe (9) far away from the corresponding air bag (8) penetrates through the corresponding sealing plate (7) and the corresponding sliding plate (5).
6. The diversion chamber for rock etching and different sand-laying concentration evaluation according to claim 2, wherein the size of each first sealing groove (33) is matched with the size of the corresponding sealing plate (7).
7. The diversion chamber for rock etching and different sand-laying concentration evaluation according to claim 2, wherein the second sealing grooves (34) are matched with the corresponding air bags (8).
8. The diversion chamber for acid etching of rock plates and evaluation of different sand-laying concentrations as claimed in claim 2, wherein pressure measurement ports (35) are formed in both sides of the diversion chamber main body (3) and on one side of the second sealing groove (34), and liquid inlet and outlet holes (36) are formed in both sides of the diversion chamber main body (3) and on one side of the pressure measurement ports (35).
9. The diversion chamber for evaluating acid etching and different sand laying concentrations of rock plates as claimed in claim 3, wherein an adjusting knob (63) is fixedly connected to one end of the adjusting screw rod (62) far away from the sliding plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110521405.XA CN113175323A (en) | 2021-05-13 | 2021-05-13 | Diversion chamber for evaluating acid etching and different sand laying concentrations of rock plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110521405.XA CN113175323A (en) | 2021-05-13 | 2021-05-13 | Diversion chamber for evaluating acid etching and different sand laying concentrations of rock plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175323A true CN113175323A (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110521405.XA Pending CN113175323A (en) | 2021-05-13 | 2021-05-13 | Diversion chamber for evaluating acid etching and different sand laying concentrations of rock plate |
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| CN (1) | CN113175323A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115674515A (en) * | 2022-11-28 | 2023-02-03 | 中石化西南石油工程有限公司 | Vulcanization molding method for high-temperature-resistant packer sealing rubber cylinder |
-
2021
- 2021-05-13 CN CN202110521405.XA patent/CN113175323A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115674515A (en) * | 2022-11-28 | 2023-02-03 | 中石化西南石油工程有限公司 | Vulcanization molding method for high-temperature-resistant packer sealing rubber cylinder |
| CN115674515B (en) * | 2022-11-28 | 2023-04-18 | 中石化西南石油工程有限公司 | Vulcanization molding method for high-temperature-resistant packer sealing rubber cylinder |
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