CN220188300U - Sedimentation stability detection device for oil-based drilling fluid - Google Patents
Sedimentation stability detection device for oil-based drilling fluid Download PDFInfo
- Publication number
- CN220188300U CN220188300U CN202321531139.XU CN202321531139U CN220188300U CN 220188300 U CN220188300 U CN 220188300U CN 202321531139 U CN202321531139 U CN 202321531139U CN 220188300 U CN220188300 U CN 220188300U
- Authority
- CN
- China
- Prior art keywords
- detection
- drilling fluid
- liquid
- oil
- sedimentation
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 98
- 238000005553 drilling Methods 0.000 title claims abstract description 62
- 239000012530 fluid Substances 0.000 title claims abstract description 61
- 238000004062 sedimentation Methods 0.000 title claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 51
- 238000003756 stirring Methods 0.000 claims description 29
- 239000011521 glass Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of drilling fluid detection, in particular to a sedimentation stability detection device for oil-based drilling fluid, which comprises a detection frame and a mixing box, wherein the mixing box is fixed at the inner bottom end of the detection frame; according to the utility model, the density difference of drilling fluid at any depth can be detected by adjusting the detection position of the detection probe in the drilling fluid, so that the sedimentation stability of the high-density drilling fluid can be judged, the drilling fluid at any depth can be sampled and detected through the sampling tube, and the sampled and detected result is compared with the detected result of the differential densimeter, so that the effect of comparison detection is realized, the detection result has reference contrast, and the detection result is more accurate.
Description
Technical Field
The utility model relates to the technical field of drilling fluid detection, in particular to a sedimentation stability detection device for oil-based drilling fluid.
Background
Drilling fluid (known as mud) refers to the working fluid used in drilling. It may be a liquid or a gas. Thus, the drilling fluid should be referred to exactly as drilling fluid. During drilling, the medium is circulated and flushed in the hole. Also known as drilling fluid. The drilling fluid can be divided into clear water, slurry, clay-free phase flushing fluid, emulsion, foam, compressed air and the like according to the components. Clear water is the earliest drilling fluid used, does not need to be treated, is convenient to use, and is suitable for the areas with complete rock stratum and sufficient water sources. The slurry is a widely used drilling fluid, is mainly suitable for rock formations with unstable hole walls, such as loose, crack development, easy collapse and block falling, water swelling and peeling, and the like, and the current method for evaluating the sedimentation stability of the aggravated drilling fluid mainly comprises a direct observation method and an up-down density difference method.
The device for monitoring the sedimentation stability of drilling fluid is provided by the Chinese patent application No. 202121613732.X, and comprises a tank body, wherein a stirring device is arranged in the tank body and used for stirring, so that the drilling fluid in the tank body and a weighting material are uniformly mixed, and the device is characterized in that: the tank body is divided into a first tank body and a second tank body, the lower parts of the first tank body and the second tank body are communicated, a first differential pressure type densimeter and a second differential pressure type densimeter are respectively arranged in the first tank body and the second tank body, and the detection liquid levels of the first differential pressure type densimeter and the second differential pressure type densimeter are different; the utility model can effectively monitor the suspension effect of the high-density drilling fluid weighting material in the drilling fluid, realize the on-site analysis and judgment of the sedimentation stability of the high-density drilling fluid, timely adjust the performance of the drilling fluid, and keep the density of the drilling fluid uniform and stable so as to adapt to the technical requirements of the high-density drilling fluid of the complex drilling process and avoid the occurrence of underground complex faults.
However, the utility model has the following defects that when the sedimentation stability of drilling fluid is detected, the differential pressure densimeter is difficult to accurately detect drilling fluids with different depths due to inconvenient use height of the differential pressure densimeter, and the position of the sampling tube is fixed, so that the sampling tube is difficult to accurately extract the drilling fluids with different depths for detection, and the sedimentation stability of the drilling fluids with different depths is difficult to detect, so that the detection effect is still to be improved.
Disclosure of Invention
The utility model provides a sedimentation stability detection device for oil-based drilling fluid, which is favorable for accurately detecting drilling fluid with different depths by a differential pressure densimeter, extracting the drilling fluid with different depths by a sampling tube for detection, and better detecting the sedimentation stability of the drilling fluid with different depths.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the sedimentation stability detection device for the oil-based drilling fluid comprises a detection frame and a mixing box, wherein the mixing box is fixed at the inner bottom end of the detection frame, a sedimentation box is fixed at the upper end of the mixing box, a liquid pump is communicated with the upper end of the sedimentation box, and a liquid pumping pipe is communicated between the liquid pump and the mixing box;
the detecting device is characterized in that a positive motor and a negative motor are fixed at the inner bottom of the detecting frame, a screw rod is connected to the power end of the positive motor and the negative motor, the upper end of the screw rod is rotationally connected with the inner top end of the detecting frame, a lifting plate is slidably connected to the inner side of the detecting frame, the lifting plate is in threaded sleeve connection with the screw rod, and a detecting assembly is arranged below the lifting plate.
Further, the middle part of the left end of the mixing box is fixedly provided with a stirring motor, the power end of the stirring motor is connected with a stirring shaft, the stirring shaft penetrates into the mixing box in a right rotating way, the upper end and the lower end of the stirring shaft are respectively fixedly provided with a plurality of stirring blades, and the left upper end of the mixing box is communicated with a liquid adding pipe.
Further, a glass observation window is inlaid at the front end of the precipitation box.
Further, the detection assembly comprises a display, a differential pressure densimeter, a detection rod and a detection probe, wherein the display is fixed at the lower end of the lifting plate, and the differential pressure densimeter is connected to the lower end of the display.
Further, the detection rod is connected with the detection end of the differential pressure densimeter, the detection rod penetrates into the sedimentation tank in a sliding mode, and the detection probe is connected with the lower end of the detection rod.
Further, the detection assembly further comprises a liquid suction pump, a sampling tube, a hose and a liquid outlet valve, wherein the liquid suction pump is fixed at the lower end of the lifting plate, the sampling tube is communicated with a liquid suction port of the liquid suction pump, the sampling tube penetrates into the sedimentation tank in a sliding manner, and the lower end of the sampling tube is flush with the lower end of the detection probe.
Further, one end of the hose is communicated with a liquid outlet of the liquid suction pump, and the liquid outlet valve is communicated with the other end of the hose.
The utility model has the beneficial effects that:
1. the differential pressure densimeter is driven to move up and down by the up-and-down movement of the lifting plate, and the detection position of the detection probe in the drilling fluid is favorably adjusted, so that the density difference of the drilling fluid at any depth can be detected, and the sedimentation stability of the high-density drilling fluid can be judged;
2. the lifting plate moves up and down to drive the sampling tube to move up and down, so drilling fluid with any depth can be sampled and detected through the sampling tube, and the sampled and detected result is compared with the result detected by the differential pressure densimeter, so that the effect of comparison detection is realized, the detection result has reference contrast, and the detection result is more accurate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of the overall internal structure of the present utility model.
Reference numerals illustrate:
the detection device comprises a detection frame 1, a mixing box 2, a sedimentation box 3, a glass observation window 4, a lifting plate 5, a display 6, a differential pressure densimeter 7, a detection rod 8, a detection probe 9, a liquid suction pump 10, a hose 11, a liquid outlet valve 12, a liquid discharge valve 13, a liquid adding pipe 14, a stirring motor 15, a stirring shaft 16, a stirring blade 17, a liquid suction pump 18, a liquid suction pipe 19, a positive and negative motor 20, a screw rod 21 and a sampling pipe 22.
Detailed Description
The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.
As shown in fig. 1-2, in this embodiment, the detection device comprises a detection frame 1 and a mixing box 2, the mixing box 2 is fixed at the bottom end in the detection frame 1, a settling tank 3 is fixed at the upper end of the mixing box 2, a liquid pump 18 is communicated with the upper end of the settling tank 3, a liquid pump 19 is communicated between the liquid pump 18 and the mixing box 2, a stirring motor 15 is fixed in the middle of the left end of the mixing box 2, a stirring shaft 16 is connected to the power end of the stirring motor 15, the stirring shaft 16 penetrates into the mixing box 2 in a right rotating manner, a plurality of stirring blades 17 are fixed at the upper end and the lower end of the stirring shaft 16, and a liquid adding pipe 14 is communicated with the upper left end of the mixing box 2.
Firstly, drilling fluid and weighting agent are added into a mixing box 2 through a liquid adding pipe 14, then a stirring shaft 16 and a stirring blade 17 are driven to rotate through the operation of a stirring motor 15, the stirring blade 17 can stir the drilling fluid and the weighting agent in the mixing box 2, so that a weighting drilling fluid mixture can be obtained quickly, then a liquid pumping pump 18 is started, and then the weighting drilling fluid in the mixing box 2 is pumped into a precipitation box 3 through a liquid pumping pipe 19 for precipitation until the weighting drilling fluid is precipitated stably in the precipitation box 3.
In this embodiment, as shown in fig. 2, a front motor 20 is fixed at the inner bottom end of the detection frame 1, a screw rod 21 is connected to the power end of the front motor 20, the upper end of the screw rod 21 is rotatably connected to the inner top end of the detection frame 1, a lifting plate 5 is slidably connected to the inner side of the detection frame 1, the lifting plate 5 is in threaded socket connection with the screw rod 21, a detection assembly is arranged below the lifting plate 5, the detection assembly comprises a display 6, a differential pressure densimeter 7, a detection rod 8 and a detection probe 9, the display 6 is fixed at the lower end of the lifting plate 5, the differential pressure densimeter 7 is connected to the lower end of the display 6, the detection rod 8 is connected to the detection end of the differential pressure densimeter 7, the detection rod 8 is slidably penetrated into the sedimentation tank 3 downward, and the detection probe 9 is connected to the lower end of the detection rod 8;
then, the screw rod 21 is driven to rotate through the operation of the positive and negative motor 20, and the lifting plate 5 is driven to move up and down along the detection frame 1 through the screw rod 21, at the moment, the lifting plate 5 can drive the detection assembly to move up and down together, so that when the lifting plate 5 drives the display 6 and the differential pressure densimeter 7 to move up and down, the differential pressure densimeter 7 can drive the detection rod 8 and the detection probe 9 to move together, the detection position of the detection probe 9 in drilling fluid is favorably adjusted, and then the density difference of drilling fluid with any depth can be detected through the cooperation of the display 6, the differential pressure densimeter 7, the detection rod 8 and the detection probe 9, so that the sedimentation stability of the drilling fluid with high density can be judged.
As shown in fig. 2, in this embodiment, the detection assembly further includes a liquid suction pump 10, a sampling tube 22, a hose 11 and a liquid outlet valve 12, where the liquid suction pump 10 is fixed at the lower end of the lifting plate 5, the sampling tube 22 is connected to a liquid suction port of the liquid suction pump 10, the sampling tube 22 penetrates into the precipitation tank 3 in a sliding manner, the lower end of the sampling tube 22 is flush with the lower end of the detection probe 9, one end of the hose 11 is connected to a liquid outlet port of the liquid suction pump 10, and the liquid outlet valve 12 is connected to the other end of the hose 11.
And, can drive the suction pump 10, the sampling tube 22, the hose 11 and the play liquid valve 12 and reciprocate together when lifter plate 5 reciprocates to make the sampling tube 22 insert in the drilling fluid of arbitrary degree of depth, consequently can carry out the extraction to the drilling fluid of arbitrary degree of depth through the sampling tube 22, after opening play liquid valve 12, the drilling fluid after the extraction then discharges the detection through hose 11 and play liquid valve 12 (specific detection mode has the record in the contrast file, and the case is not made too much and is repeated), the result of sampling detection compares with the result that differential densimeter 7 detected again, thereby realizes the effect of comparison detection, makes the testing result have the reference contrast nature, and makes the testing result more accurate.
In this embodiment, as shown in fig. 1, a glass observation window 4 is inlaid at the front end of the precipitation tank 3.
Moreover, the positions of the sampling tube 22 and the detection probe 9 in the drilling fluid can be checked through the glass observation window 4, so that the positions of the sampling tube 22 and the detection probe 9 for sampling and detection can be accurately adjusted, detection errors can be reduced, and after detection is finished, the liquid discharge valve 13 is opened, so that the drilling fluid in the sedimentation tank 3 can be discharged for subsequent detection.
All technical features in the embodiment can be freely combined according to actual needs.
The foregoing embodiments are preferred embodiments of the present utility model, and other embodiments are included, without departing from the spirit of the present utility model.
Claims (7)
1. A sedimentation stability detection device for oil base drilling fluid, includes detection frame (1) and mixing box (2), mixing box (2) are fixed in bottom in detection frame (1), its characterized in that:
a sedimentation tank (3) is fixed at the upper end of the mixing tank (2), a liquid pump (18) is communicated with the upper end of the sedimentation tank (3), and a liquid pumping pipe (19) is communicated between the liquid pump (18) and the mixing tank (2);
the detection device is characterized in that a positive motor (20) is fixed at the inner bottom end of the detection frame (1), a screw rod (21) is connected to the power end of the positive motor (20), the upper end of the screw rod (21) is rotationally connected with the inner top end of the detection frame (1), a lifting plate (5) is slidingly connected to the inner side of the detection frame (1), the lifting plate (5) is in threaded connection with the screw rod (21), and a detection assembly is arranged below the lifting plate (5).
2. The sedimentation stability detection apparatus for oil-based drilling fluids as claimed in claim 1, wherein: the stirring device is characterized in that a stirring motor (15) is fixed in the middle of the left end of the mixing box (2), a stirring shaft (16) is connected to the power end of the stirring motor (15), the stirring shaft (16) penetrates through the mixing box (2) in a right rotating mode, a plurality of stirring blades (17) are fixed at the upper end and the lower end of the stirring shaft (16), and a liquid adding pipe (14) is communicated with the left upper end of the mixing box (2).
3. The sedimentation stability detection apparatus for oil-based drilling fluids as claimed in claim 1, wherein: the front end of the sedimentation tank (3) is inlaid with a glass observation window (4).
4. The sedimentation stability detection apparatus for oil-based drilling fluids as claimed in claim 1, wherein: the detection assembly comprises a display (6), a differential pressure densimeter (7), a detection rod (8) and a detection probe (9), wherein the display (6) is fixed at the lower end of the lifting plate (5), and the differential pressure densimeter (7) is connected to the lower end of the display (6).
5. The sedimentation stability detection apparatus for oil-based drilling fluids as defined in claim 4, wherein: the detection rod (8) is connected to the detection end of the differential pressure densimeter (7), the detection rod (8) penetrates into the sedimentation tank (3) in a sliding mode, and the detection probe (9) is connected to the lower end of the detection rod (8).
6. The sedimentation stability detection apparatus for oil-based drilling fluids as defined in claim 5, wherein: the detection assembly further comprises a liquid suction pump (10), a sampling tube (22), a hose (11) and a liquid outlet valve (12), wherein the liquid suction pump (10) is fixed at the lower end of the lifting plate (5), the sampling tube (22) is communicated with a liquid suction port of the liquid suction pump (10), the sampling tube (22) penetrates into the sedimentation tank (3) in a downward sliding mode, and the lower end of the sampling tube (22) is flush with the lower end of the detection probe (9).
7. The sedimentation stability detection apparatus for oil-based drilling fluids as defined in claim 6, wherein: one end of the hose (11) is communicated with a liquid outlet of the liquid suction pump (10), and the liquid outlet valve (12) is communicated with the other end of the hose (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321531139.XU CN220188300U (en) | 2023-06-14 | 2023-06-14 | Sedimentation stability detection device for oil-based drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321531139.XU CN220188300U (en) | 2023-06-14 | 2023-06-14 | Sedimentation stability detection device for oil-based drilling fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188300U true CN220188300U (en) | 2023-12-15 |
Family
ID=89114318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321531139.XU Active CN220188300U (en) | 2023-06-14 | 2023-06-14 | Sedimentation stability detection device for oil-based drilling fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188300U (en) |
-
2023
- 2023-06-14 CN CN202321531139.XU patent/CN220188300U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10209169B2 (en) | Method and apparatus for automatically testing high pressure and high temperature sedimentation of slurries | |
| CN210571452U (en) | Multilayer wetland soil collection system | |
| CN108979630B (en) | Strain gauge type pressure test tight oil seepage and suction experimental device | |
| RU2670307C1 (en) | Method for preventing manifestations in the construction of oil and gas wells | |
| CN104237484A (en) | Mechanical rock-breaking experiment device and method | |
| CN108225752B (en) | Comprehensive experimental device for particle impact drilling ground | |
| CN220188300U (en) | Sedimentation stability detection device for oil-based drilling fluid | |
| CN111472736A (en) | Offshore oilfield combined profile control and flooding optimization design method and device | |
| CN110617018B (en) | Device and method for evaluating flushing efficiency of filter cake of well cementation cement injection drilling fluid | |
| CN215492527U (en) | A sampling device for soil improvement | |
| CN213023069U (en) | Drilling fluid performance testing device | |
| CN115656463B (en) | Full visual seam width variable hydrate simulation test kettle | |
| CN115979894A (en) | Device and method for detecting viscosity of drilling fluid | |
| CN220932412U (en) | Sampling device for detecting soil | |
| CN215889952U (en) | Embedded rock pile bottom sediment belt cleaning device | |
| CN201321858Y (en) | Quantitative degasser | |
| CN110987763A (en) | Simulation experiment device and method for injecting proppant into fracture | |
| CN216341994U (en) | Drilling fluid liquid level self-adaptive degasser | |
| CN219376912U (en) | Dissolving device | |
| CN221546878U (en) | Mixed tooth-distributing PDC drill bit and tooth-distributing testing device thereof | |
| CN221883084U (en) | Sampling device for exploration and mapping | |
| CN111622755B (en) | Logging while drilling downhole equipment is along with boring sample cell | |
| CN221174008U (en) | Hydrologic engineering geology reconnaissance device | |
| CN210375824U (en) | Groundwater sample thief for hydrogeology | |
| CN113153215B (en) | Chemical plugging method for high-water-flooded layer of deflecting section of ultra-short radius horizontal well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |