CN101614648A - High-temperature high-pressure sedimentation tester - Google Patents
High-temperature high-pressure sedimentation tester Download PDFInfo
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- CN101614648A CN101614648A CN200810128439A CN200810128439A CN101614648A CN 101614648 A CN101614648 A CN 101614648A CN 200810128439 A CN200810128439 A CN 200810128439A CN 200810128439 A CN200810128439 A CN 200810128439A CN 101614648 A CN101614648 A CN 101614648A
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 30
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Abstract
A kind of high-temperature high-pressure sedimentation tester is used to analyze drilling mud, or contains the fluid of solid content; It comprises a columnar pressure vessel assembly (80) that can tolerate High Temperature High Pressure, the rotary body (33) of a coaxial circles tubular that in this pressure vessel assembly (80), is driven in rotation, a sample tap (12) is made the further usefulness of analysis for draw samples, also has an injection port (74) for the usefulness of adding sample liquid.Said pressure vessel assembly (80) can tilt and be fixed on any angle by a pressure vessel support (90) supporting.
Description
Technical field
This invention relates to monitoring, measures and analyzes the apparatus and method that increase the weight of the settling character of material in the drilling mud.
Background technology
This tester is applied to detect the settling character of oilwell drilling mud.This settling character is meant that trepan increases the weight of the adjuvant settling character in drill-well operation and stationary state, has been particularly useful for adding the such thickness drilling mud of barite.Density Detection is the Core Feature of this instrument.
For vertical shaft or approach vertical shaft, the mud sedimentation is out of question, but for the big drilling well of ramp angles, the mud sedimentation has then had problem.Da Jing angle of inclination constantly increases now, and the mud sedimentation has become bottleneck problem gradually.Increase the weight of the sedimentation of adjuvant, cause slip fluidity to reduce, bore speed and descend, cutting removes rate and reduces.When well drill bit stopped operating, the mobile of mud stopped, and the sedimentation that increases the weight of adjuvant obviously takes place.When trepan is in when static, the settlement issues that increases the weight of adjuvant might be concentrated and occur in some section of drilling well.
This problem as far back as 20th century the '20s just cause that people pay close attention to, in order to slow down this problem, people take all effort to regulate drilling fluid.So far, still very deficient for carrying out the necessary basic data of relevant research.The variation of drilling fluid all is based on the tentative data of people in this field.About the density data of down-hole slurry then is current field produces and the vital data of drill-well operation.
Be used to test drilling mud the settling character that increases the weight of adjuvant the device report seldom.United States Patent (USP) U.S.6,330,826 devices of being reported are tapers, or folding taper endosome; An opening is arranged on the shell of ectosome, and interior ectosome closely cooperates, but between have a narrow seam to form a conical internal cavity container with the vertex of a cone.The direct motor drive endosome rotates with respect to ectosome; Sample is imported in the above conical vessel to detect the density of drilling mud.One of shortcoming of this device be it can not simulation well under the environment of High Temperature High Pressure.Another shortcoming is that the inside and outside body structure of taper is too big with drilling mud reality environment gap of living in this device, because actual well drilled hole and drilling tool all are columnar.
And United States Patent (USP) U.S 6,584,833 disclosed be the device of a dynamic and static settling character of test drilling mud under high-temperature and high-pressure conditions.One of shortcoming of this invention is that structure is too complicated.It comprises very complicated a test cabinet and a very meticulous electronic control system.In 2007, its cost was about 8 times of instrument of the present invention.Another shortcoming of this device is that the characteristic of invention design has determined it to be difficult to realize 5, the condition of high voltage that 000psi is above, because it need produce the corresponding signal that transmits to the minute movement of center of gravity, it just can not adopt abundant heavy high pressure vessel for this reason.Device of the present invention then can bear and be higher than 30, the pressure of 000psi.A shortcoming in addition of this device is that parts are too many, and the project organization complexity is difficult to operation and cleaning.
Summary of the invention
The purpose of this invention is to provide a testing tool, dynamic and static, and under the condition of approximate simulation subsurface environment, in the testing drilling mud by the settling character that increases the weight of due to filling material or other solid content.
Another object of the present invention provides a testing tool, by the design of simulation high dip to the drill-well operation condition of low dip angle, can measure the settling character of the drilling mud at any angle of inclination under dynamic and static condition.
A further object of the invention is for commercial production provides a testing tool that only needs less maintenance work, with reach industrial instrumentation accurately and reliably, durable in use and be easy to clear up require standard.
Purpose of the present invention can reach by following measure:
But sedimentation tester comprises the cylindrical pressure vessel of a withstand high temperatures high pressure, and there is a concentric cylindrical shape rotary body its inside, drives by inside and outside magnetic coupling.This high-temperature high-pressure sedimentation tester has a charge door, in order to the controlled pressure container internal pressure.At least also be equipped with a sample tap, in order to extract specimen out.Take into account instruments such as fluid analyser tests density, composition and other character of sample by densitometer, proportion.
Device of the present invention and method of testing provide a kind of new way to be used to test under the High Temperature High Pressure, and drilling mud or other height contain the big sedimentation situation dynamic or more static than heavy substance in the solid content fluid.In addition, but this tester viscosity of test sample also.
Description of drawings
Fig. 1 is the sectional drawing of the pressure vessel assembly 80 of this tester; Fig. 2 is the process flow diagram of this tester; Fig. 3 is the sectional drawing of the pressure vessel assembly 80A of another kind of structure; Fig. 4 is the process flow diagram corresponding to pressure vessel assembly 80A; Fig. 5 is the process flow diagram corresponding to the pressure vessel assembly 80B of another kind of structure, and this building mode pressure vessel assembly 80B has only import and export.
The accompanying drawing sign
12 sample taps
22 sampling pipe 26o-shape O-ring seals
26Ao-shape O-ring seal 27A piston
28Ao-shape O-ring seal 30A screw thread
32 block bearings, 33 rotary bodies
Built-in rotary body 34 coupling magnets of 33A
35 wall 35A walls
36 magnet cramping body 37A dynamic seal (packing) devices
38 magnet, 39 thermopairs
41 straight hole 41A thermocouple jacks
42 bearings, 43 taper surfaces
44 bearing 45A axles
At the bottom of 46 locking nuts, 47 walls
48 sleeve pipes at the bottom of the 47A wall
52 well heater 52A well heaters
54 rotating shafts, 62 pressure vessel main bodys
62A pressure vessel main body 63 screw threads
74A high pressure injection port 76 pressure container covers
76A pressure container cover 78 screw threads
80 pressure vessel assembly 80A pressure vessel assemblys
80B pressure vessel assembly 90 pressure vessel supports
90A pressure vessel support 90B pressure vessel support
92 piston 92B pistons
The 94 pressurization 94B of grease chamber pressurization grease chambeies
96 hydraulic pump 96A hydraulic pumps
96B hydraulic pump 98 sample cells
100 reduction valve 100A reduction valve
106 high-pressure sampling container 106A high-pressure sampling containers
106B high-pressure sampling container
Embodiment
Other purpose, characteristics and the advantage of this tester will contrast accompanying drawing and specifically be elaborated as follows.
To Fig. 1,2 explanation:
Fig. 1 is the sectional drawing that comprises the pressure vessel assembly 80 of pressure vessel main body 62 and pressure container cover 76 etc.Pressure vessel main body 62 is detachable, and it is connected by screw thread 63 with pressure container cover 76.O-shape O-ring seal 26 can not be escaped away by screw thread 63 to guarantee fluid.Pressure vessel main body 62 the insides, the below of screw thread 63 is called wall 35, and it extends at the bottom of the wall 47 always.The hole of a taper forms taper surface 43 second line of a couplet straight holes 41 and is positioned at the bottom of the wall 47 center.Rotating shaft 54 is seated on the taper surface 43 in taper hole, by locking nut 46 at the bottom of screw thread 78 is fixed on wall on 47.Tighten locking nut 46 and make at the bottom of rotating shaft 54 and the wall 47 in the taper surfaces 43 preliminary sealing combinations in taper hole.Thermopair 39 inserts the center of rotating shaft 54.The radial outside of rotating shaft 54 has sleeve pipe 48.Sleeve pipe 48 is by Rulon, and Teflon or suitable plastic material are made.Magnet cramping body 36 and coupling magnetic force body 34 all are in the orientation of the outside of sleeve pipe 48.Screw 50 is fixed on magnet cramping body 36 and coupling magnet 34 on rotary body 33 bottoms. and spring bearing 32 is vertically being supported rotary body 33, and magnet cramping body 36 and coupling magnet 34 make it to rotate freely with one heart around rotating shaft 54.Injection port 74 is set, and is certain value with the chamber pressure of keeping pressure vessel assembly 80. the interpolation of sample and discharging are all through injection port 74.Sample thief mouth 12 is set so that the draw samples material detects and analyzes from pressure vessel assembly 80.One end of sampling pipe 22 is tightly connected at pressure vessel assembly 80 tops and sample thief mouth 12.The other end of sampling pipe 22 extends to the bottom of pressure vessel assembly 80.So structure guarantees that sample extracts from the bottom of pressure vessel assembly 80.The base 40 of magnet is arranged on the outside of pressure vessel main body 62, can be rotated freely by bearing 42 and bearing 44 supports.The rotation of the base 40 of magnet can any traditional mode drive, and drives or driven by motor as speed-changing gear box.Magnet 38 is installed on the base 40 of magnet, with the same level height of coupling magnet 34 similar maintenances that is installed on the pressure vessel main body 62.Among Fig. 2, pressure vessel assembly 80 is by 90 supportings of pressure vessel support, and with respect to the horizontal plane any one angle of inclination is fixed between the 0-90o.Sample cell 98 links to each other with injection port 74.Pressurization grease chamber 94 links to each other with sample chamber 102, and all in sample cell 98, but separated by piston 92.Piston 92 prevents high-pressure fluid and specimen mixing effectively.Reduction valve 100 and hydraulic pump 96 all in that one side of pressurization grease chamber 94, link to each other with sample cell 98.Sample valve 104 is connected with sample thief mouth 12.High-pressure sampling container 106 can be connected with sample valve 104 as required.
Contrast Fig. 1,2 specify operating process:
In Fig. 1, rotating shaft 54 closely is connected with pressure vessel main body 62 by locking nut 46, and energy and pressure vessel main body 62 are cleaned together.In the assembling process, magnet cramping body 36, coupling magnet 34 and rotary body 33 are tightened to one with screw 50.Sleeve pipe 48 extruding enter magnet cramping body 36, and will put into the bottom of pressure vessel main body 62, are supported by rotating shaft 54, can rotate.Drive magnet 38 rotations with a motor or speed-changing gear box magnet base 40.Because the magnetic couplings effect between magnet 38 and the coupling magnet 34, rotary body 33 rotates with identical speed with magnet base 40.Tested sample is poured in the pressure vessel main body 62, flooded the top of rotary body 33 until the sample liquid level.Screw pressure container cover 76 and push up the position until o-shape O-ring seal 26.Add sample liquid through sample port 12 and overflow from sample port 74, to drive all air in the pressure vessel assembly 80 out of until sample liquid.Well heater 52 heated pressure container bodies 62, thermopair 39 is delivered to temperature controller with the temperature signal feedback simultaneously.Among Fig. 2, pressure vessel assembly 80 is installed on the pressure vessel support 90, and is adjusted to desired angle of inclination.Close reduction valve 100 and sample valve 104.Then, hydraulic pump 96 begins hydraulic oil is transported in the high-pressure oil chamber 94 of sample cell 98.Piston 92 is promoted by hydraulic oil, with more sample in the sample chamber 102, sends in the pressure vessel assembly 80 through injection port 74 extruding.After reaching desired pressure, close hydraulic pump 96.Magnet base 40 is actuated to desired speed rotation, and well heater 52 heated pressure groups of containers zoariums 80 are up to temperature required.When pressure vessel assembly 80 internal pressures were higher than desired pressure, the of short duration reduction valve 100 of opening bled off a small amount of hydraulic oil so that pressure vessel assembly 80 internal pressures fall back to desired pressure.
After experiencing certain period, open sample valve 104.After high-pressure sampling container 106 is accepted the High Temperature High Pressure sample, will be discharged in the atmospheric environment after it cooling.As required, whether decision is provided with high-pressure sampling container 106, if sample evaporation is out of question, sample can directly discharge in atmospheric environment.Because be provided with the gas outlet 22 among Fig. 1, can take sample from the nearly bottom of pressure vessel assembly 80.The sample of taking further carries out analysis of components and Density Detection.At last, according to the reckoning of these data, draw the weight settling character information of the sample of being tested.In draw samples from pressure vessel assembly 80, hydraulic pump 96 is transported to fluid under pressure in the sample cell 98 again, and then adds sample in pressure vessel assembly 80, and wherein pressure is constant to keep.
In Fig. 1, drive the plant capacity consumption that magnet 38 constant speed are rotated by measuring and calculating, draw the viscosity of sample under the high temperature and high pressure condition.Rotary body 33 rotates because wall 35 leaves standstill, and exists the shearing force that is caused by the viscosity of sample at the outside surface of rotary body 33.When rotary body 33 constant speed were rotated, the viscosity of sample was big more, and is big more in the shearing force of the outside surface of rotary body 33.Therefore driving arrangement is that to overcome the consumption of shearing force institute energy requirement just big more.
Fig. 3,4 explanation-----make up form corresponding to the another kind of different sample mode composition elements:
Fig. 3 has shown the sectional drawing corresponding to the constructed pressure vessel assembly 80A of different sample modes.Pressure vessel assembly 80A comprises pressure vessel main body 62A and pressure container cover 76A.62A is detachable for the pressure vessel main body, and it is connected by screw thread 63A with pressure container cover 76A.O-shape O-ring seal 26A can not escape away by screw thread 63A to guarantee fluid.Pressure vessel main body 62A the inside, the below of screw thread 63A is called wall 35A, and it extends to 47A at the bottom of the wall always.Axle 45A is driven by motor 49A, is inserted in the bottom of pressure vessel assembly 80A.Built-in rotary body 33A buckles the top that is fixedly connected on a 45A by rib-loop.Built-in rotary body 33A is cylindrical, almost is positioned at the center of pressure vessel main body 62A.Dynamic seal (packing) device 37A with element at the bottom of 47A with the axle 45A be tightly connected.Thermopair 39A inserts the bottom of pressure vessel assembly 80A through thermocouple jack 41A.High pressure injection port 74A is set, and is to keep weighing in order to keep pressure vessel assembly 80A internal pressure.Sample add and discharging is to implement through high pressure injection port 74A.Sample tap 12A during only for work in the pressure vessel assembly 80A sampling Detection analysis use.Sample tap 12A should be located at the lower position of pressure vessel main body 62A, and radially is being connected with element bottom 47A.Piston 27A is positioned at pressure vessel main body 62A inside.Piston 27A below is full of sample, and piston 27A top is full of pressure fluid.Adopt o-shape O-ring seal 28A to guarantee the isolation of sample and pressure fluid.Among Fig. 2, pressure vessel assembly 80A is by pressure vessel support 90A supporting, can with respect to the horizontal plane between the 0-90o any one angle of inclination fix.Reduction valve 100A is connected with high pressure injection port 74A with hydraulic pump 96A.Sample valve 104A is connected with sample thief mouth 12A.High-pressure sampling container 106A is connected with sample valve 104A as required
Operating process-----corresponding to Fig. 3,4, because of the concrete operations explanation of the different composition elements that make up of sample mode:
Among Fig. 3, axle 45A tightly stands in the bottom of pressure vessel main body 62A.Built-in rotary body 33A is tightened at the end of axle 45A.Pour the sample of predetermined into pressure vessel main body 62A, insert piston 27A.Add the top of a little high-pressure fluids to piston 27A.Screw pressure container cover 76A and push up the position until o-shape O-ring seal 26A.Can add high-pressure fluid through high pressure injection port 74A.Well heater 52A heated pressure container body 62A, thermopair 39A delivers to temperature controller with the temperature signal feedback simultaneously.Among Fig. 4, pressure vessel assembly 80A is installed on the pressure vessel support 90A, tilts to after the desired angle fixing again.Close reduction valve 100A and sample valve 104A.After this, hydraulic pump 96A is to pressure vessel assembly 80A discharge pressure oil.After arriving desired pressure, close hydraulic pump 96A.Motor 49A drives built-in rotary body 33A and rotates with desired speed, and the fit 80A of well heater 52A heated pressure groups of containers is to reach desired temperature.If pressure vessel assembly 80A internal pressure is higher than desired pressure, of short duration unlatching reduction valve 100A discharges a spot of pressure oil, so that pressure vessel assembly 80A internal pressure falls back to desired pressure.
Among Fig. 4, experience certain period after, open sample valve 104A.High-pressure sampling container 106A accepts the High Temperature High Pressure sample, will be discharged in the atmospheric environment after it cooling.As required, whether decision is provided with high-pressure sampling container 106A, if sample evaporation is out of question, sample can directly discharge in atmospheric environment.The sample of taking further carries out analysis of components and Density Detection.At last, according to the reckoning of these data, draw the weight settling character information of the sample of being tested.In draw samples from pressure vessel assembly 80A, hydraulic pump 96A adds pressure fluid again among the pressure vessel assembly 80A, and wherein pressure is constant to keep.
Among Fig. 3, in the intensification and the process of boosting,, can draw the viscosity of sample by the energy consumption of measuring and calculating motor 49A.Built-in rotary body 33A rotates because wall 35A leaves standstill, and the shearing force that causes so there is the viscosity of sample is applied on the outside surface of built-in rotary body 33A.When built-in rotary body 33A constant speed was rotated, the viscosity of sample was big more, and is big more in the shearing force of the outside surface of built-in rotary body 33A, so motor 49A is that to overcome the consumption of shearing force institute energy requirement just big more.
Fig. 5 explanation-----have only the another kind of the composition element of sample import and export to make up form:
Among Fig. 5, pressure vessel assembly 80B is by pressure vessel support 90B supporting, can with respect to the horizontal plane between the 0-90o any one angle of inclination fix.The injection port 74 that sets in not having Fig. 1, pressure vessel assembly 80 has similar internal structure among pressure vessel assembly 80B and Fig. 1.The sample cell 98B T-valve 104B that ins succession.Pressure oil chamber 94B in sample cell 98B and sample chamber 102B, 92B separates by piston.Piston 92B intercepts mixing of pressure fluid and sample effectively.Reduction valve 100B is connected with sample cell 98B beyond pressure oil chamber 94B with hydraulic pump 96B.T-valve 104B is connected with sample thief mouth 12B on the pressure vessel assembly 80B.High-pressure sampling container 106B is connected with T-valve 104B as required.
Operating process-----have only the concrete operations of the composition element of sample import and export to illustrate corresponding to Fig. 5:
Among Fig. 5, pressure vessel assembly 80B is installed on the pressure vessel support 90B, and tilts to desired angle.Close reduction valve 100B.On the pipeline that connects sample tap 12B and sample cell 98B, T-valve 104B is set.After this, hydraulic pump 96B begins among the pressure oil chamber 94B of discharge pressure oil in the sample cell 98B.Piston 92B is pushed by pressure oil, pushes sample liquid among the 102B of sample chamber, reaches among the pressure vessel assembly 80B through sample tap 12B.After reaching desired pressure, close hydraulic pump 96B.If pressure vessel assembly 80B internal pressure is higher than desired pressure, of short duration unlatching reduction valve 100B discharges a spot of pressure oil, so that pressure vessel assembly 80B internal pressure falls back to desired pressure.
After experiencing a desired sense cycle, T-valve 104B tuning is communicated with on the orientation of sample tap 12B and high-pressure sampling container 106B.High-pressure sampling container 106B accepts the High Temperature High Pressure sample, will be discharged in the atmospheric environment after it cooling.As required, whether decision is provided with high-pressure sampling container 106B, if sample evaporation is out of question, sample can directly discharge in atmospheric environment.The sample of taking further carries out analysis of components and Density Detection.At last, according to the reckoning of these data, draw the weight settling character information of the sample of being tested.
The design of deriving
Among Fig. 1, similar sample tap 12 can be provided with a plurality of sample ports, and each all is connected with the stopple coupon of similar stopple coupon 22, and the end of each root pipe is in the inner different position of pressure vessel assembly 80.This set can extract the sample of pressure vessel assembly 80 inner differing heights positions simultaneously.Thus, can obtain the material density distribution of pressure vessel assembly 80 inside.
Wall 35A among Fig. 1 among wall 35 and Fig. 3 can be taper rather than cylindrical shape.
The sample of being extracted out by pressure vessel assembly 80 bottoms also can be in order to other character of analyte material except detecting density.
Among Fig. 1, magnet 38 can be driven and just not directed rotation with the vibration rotation formula, and monitors the energy consumption of drive unit simultaneously.Similarly, in Fig. 3, built-in rotary body 33A also can be driven with oscillation form rather than directed rotation form, when the energy consumption of motor 49A is monitored, can carry out the viscoelasticity test of sample thus.
Among Fig. 1, the end of stopple coupon 22 not necessarily will be positioned at the bottom of pressure vessel assembly 80.The end of stopple coupon 22 can be positioned at arbitrary height, on that appointed positions, through the variation of some time study density.In like manner among Fig. 3, the break-through point of sample tap 12A also not necessarily will be positioned at the bottom of pressure vessel assembly 80A.
Among Fig. 2, sample cell 98 not necessarily will be used the piston form.Can adopt the folded storage form of air bag or any suitable mode.
Among Fig. 2,, the gross weight of high pressure sample container 106 can be measured, and it need not be discharged in order to the density of calculating specimen in case after the sample extraction, high pressure sample container 106 cuts out immediately.
Among Fig. 1, magnet 38 not necessarily will be positioned at the outer path position of pressing close to of pressure vessel assembly 80.It can be positioned at the below of pressure vessel assembly 80, has only it to produce magnetic coupling interaction with coupling magnet 34 and gets final product.
Among Fig. 2, except density, can adopt the equipment of other kind to analyze and be extracted into sample the high-pressure sampling container 106, and then obtain the settling character of drilling fluid from pressure vessel assembly 80.
Among Fig. 3, if pressure fluid can not mix with sample, perhaps hydraulic pump 96A can directly carry sample liquid among Fig. 4, and piston 27A can save.
According to foregoing, the reader can find out that the present invention can be in order to make up a rotatable high pressure vessel, from its extracting high-temperature high pressure sample liquid, in order to monitor its variable density.This structure also can suitable again rotating speed under, produce the viscosity of shearing force in order to test sample.It can satisfy a urgent need of the drilling industry.
Purpose and advantage:
In sum, sedimentation detector of the present invention obviously possesses following advantage:
(a) drilling fluid of extracting high-temperature high pressure carries out Density Detection and other branch from the Hi-pot test container Analyse and pressure in needn't Reducing exhaust emission high voltage testing device body.
(b) because simple in structure, parts are few, detect easy operating and maintenance with the inventive method.
(c) rated pressure of the present invention is just limited by the rated pressure of pressure vessel, pipeline and valve, Can reach 60,000psi. The information of the relevant pressure fluid sedimentation that the past is reported is all only slightly big Under the pressure of 5,000psi, test.
(d) method of the present invention can be dynamically and static mode, under the condition of various angles of inclination, carries out height The test of temperature high pressure drilling fluid.
Accompanying drawing is understood the explanation of literal in the corresponding literary composition, can more clearly understand purpose of the present invention and Advantage.
Claims (20)
1. a sedimentation tester comprises:
(a) pressure vessel,
(b) in above said pressure vessel, a rotary body is arranged, this rotary body is driven rotation, and this rotary body directly contacts with sample liquid,
(c) take certain means driven in rotation body to rotate,
(d) on above said pressure vessel, have at least an opening can utilize pressure reduction to extract sample liquid,
(e) take certain means for the sample liquid of from above said pressure vessel, extracting out, do at least one the measurement relevant with settling character.
2. in the sedimentation tester prescription 1, said certain means of taking are done at least one the measurement relevant with settling character, are to adopt density measuring equipment.
3. in the sedimentation tester prescription 1, saidly take someway that the driven in rotation body rotates, be to adopt the magnetic coupling driving method.
4. in the sedimentation tester prescription 1, said certain means driven in rotation body of taking rotates, and is a motor.
5. in the sedimentation tester prescription 1, said rotary body is columnar.
6. in the sedimentation tester prescription 1, said rotary body is a stirring arm.
7. sedimentation tester prescription 1 also comprises the detection of the energy consumption of the device that the driven in rotation body is rotated.
8. also comprise a pipeline in the sedimentation tester in the prescription 1, the in succession so-called opening of said pressure vessel of one end, the other end is in a certain position of the interior appointment of said pressure vessel.
9. a certain position of said appointment is the bottom of said pressure vessel in the prescription 8.
10. also comprise a runing rest in the said sedimentation tester in the prescription 1, it can support said pressure vessel and tilt at any angle.
11. comprise in the sedimentation tester:
A) pressure vessel that loads sample liquid,
B) runing rest, it can support said pressure vessel and tilts at any angle,
C) said pressure vessel is provided with a sample tap, can extraction sample liquid under the pressure reduction condition arranged,
D) said pressure vessel is provided with a pressurization mouth, so that add fluid in said pressure vessel, keeps said pressure vessel inner pressure constant,
E) take someway the sample liquid of extracting out to be done at least one the measurement relevant with settling character from said pressure vessel,
12. the said sedimentation tester in the prescription 11 is done at least one the measurement relevant with settling character to sample liquid and is taked someway, is density measuring equipment.
13. the said sedimentation tester in the prescription 11 also comprises a pipeline, the in succession sample tap of said pressure vessel of one end, and the other end is in a certain position of the interior appointment of said pressure vessel.
14. a certain position of the said appointment in the prescription 13 is the bottom of said pressure vessel.
15. the said sedimentation tester in the prescription 11 comprises and takes certain means that said sample liquid and pressure fluid are isolated that this pressure fluid is to be used for said pressure vessel intensified pressure.
16. for the said sedimentation tester in the prescription 15, certain means with said sample liquid and pressure fluid isolation of taking are pistons.
17. comprise in the sedimentation tester:
(a) pressure vessel,
(b) runing rest, it can support said pressure vessel and tilt at any angle;
(c) in said pressure vessel, a driven rotary body is arranged, it directly contacts with sample liquid,
(d) take certain means driven in rotation body to rotate,
(e) said pressure vessel has an opening at least, because pressure reduction, sample liquid can be extracted out from pressure vessel,
(f) sample cell is arranged, so that in said pressure vessel, constantly add sample liquid,
(g) take means that the sample liquid of extracting out from said pressure vessel is done at least one the measurement relevant with settling character.
18. said in the prescription 17 takes means that the sample liquid of extracting out from said pressure vessel is done at least one the measurement relevant with settling character, is to make density measure.
19. in the said sedimentation tester in the prescription 17, the means that the driven in rotation device rotates are to adopt the magnetic force couple drive method that sees through above said pressure vessel wall.
20. the said sedimentation tester in the prescription 17 comprises a pipeline, the in succession so-called opening of said pressure vessel of one end, and the other end is in a certain position of the interior appointment of said pressure vessel.
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| CN108426746A (en) * | 2018-06-14 | 2018-08-21 | 秀盛源（天津）水运工程技术有限公司 | Underwater Mud Measurement Sampler |
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| US6584833B1 (en) * | 2002-05-30 | 2003-07-01 | Halliburton Energy Services, Inc. | Apparatus and method for analyzing well fluid sag |
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| CN113588352A (en) * | 2021-09-28 | 2021-11-02 | 山东柏源技术有限公司 | Petroleum detection sampling device |
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| CN119198455A (en) * | 2024-11-23 | 2024-12-27 | 东莞市大信电子科技有限公司 | Sludge settling ratio detection device |
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