CN101614648B - High-temperature high-pressure sedimentation tester - Google Patents

High-temperature high-pressure sedimentation tester Download PDF

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CN101614648B
CN101614648B CN2008101284397A CN200810128439A CN101614648B CN 101614648 B CN101614648 B CN 101614648B CN 2008101284397 A CN2008101284397 A CN 2008101284397A CN 200810128439 A CN200810128439 A CN 200810128439A CN 101614648 B CN101614648 B CN 101614648B
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sample
pressure vessel
pressure
valve
rotary body
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CN101614648A (en
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毕宏峰
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Abstract

The invention relates to a high-temperature high-pressure sedimentation tester used for analyzing drilling mud or fluid containing solids. The high-temperature high-pressure sedimentation tester comprises a columnar pressure container combination body (80), a coaxial columnar rotating body (33), a sampling opening (12) and a sample inlet (74), wherein the columnar pressure container combination body (80) can resist high temperature and high pressure, the coaxial columnar rotating body (33) is driven to rotate in the pressure container combination body (80), the sampling opening (12) is used for further analyzing a sampled specimen, and the sample inlet (74) is used for replenishing specimen liquid. The pressure container combination body (80) is supported by a pressure container bracket (90) and can be inclined and fixed at any angle.

Description

High-temperature high-pressure sedimentation tester
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 schohartite.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.The angle of inclination of well-digging 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 and pass through speed decline, 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 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 HTHP.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 discloses is 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 a complex.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 project organization is complicated, 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, through the design of simulation high dip to the drill-well operation condition of low dip angle, can under dynamic and static condition, measure the settling character of the drilling mud at any angle of inclination.
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.
The object of the invention can reach through 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 through 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 through densitometer, proportion.
Device of the present invention and method of testing provide a kind of new way to be used to test under the HTHP, 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
12A sample tap 12B sample tap
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
39A thermopair 40 magnet bases
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
49A motor 50 screws
52 well heater 52A well heaters
54 rotating shafts, 62 pressure vessel main bodys
62A pressure vessel main body 63 screw threads
63A screw thread 74 injection ports
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
94 94B of the pressurization grease chamber grease chamber of pressurizeing
96 hydraulic pump 96A hydraulic pumps
96B hydraulic pump 98 sample cells
100 reduction valve 100A reduction valve
100B reduction valve 102 sample chambers
102B sample chamber 104 sample valves
104A sample valve 104B T-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 the concrete elaboration in detail of accompanying drawing 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 grades.Pressure vessel main body 62 is detachable, and it is connected through screw thread 63 with pressure container cover 76.O-shape O-ring seal 26 can not be escaped away through 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, through locking nut 46 at the bottom of screw thread 78 is fixed on wall on 47.The 47 taper surfaces 43 preliminary sealings in the taper hole combine at the bottom of tightening locking nut 46 and making rotating shaft 54 and wall.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 processed.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 like 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.
Map 1,2 specifies operating process:
In Fig. 1, rotating shaft 54 closely is connected with pressure vessel main body 62 through locking nut 46, and ability and pressure vessel main body 62 are cleaned together.In the assembling process, magnet cramping body 36, coupling magnet 34 is tightened to one with rotary body 33 with screw 50.Sleeve pipe 48 extruding get into 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.Sample to be tested is poured in the pressure vessel main body 62, flooded the top of rotary body 33 until the sample liquid level.The pressure container cover 76 of screwing pushes 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 fit 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 HTHP sample, with being 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 through 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 through screw thread 63A with pressure container cover 76A.O-shape O-ring seal 26A can not escape away through 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 through 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.When sample tap 12A only supplies 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.It is inner that piston 27A is positioned at pressure vessel main body 62A.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 of the different composition elements that make up of sample mode are explained:
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.The pressure container cover 76A that screws pushes 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 HTHP sample, with being 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 among the pressure vessel assembly 80A again, and wherein pressure is constant to keep.
Among Fig. 3, in the intensification and the process of boosting,, can draw the viscosity of sample through 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 in not having Fig. 1, sets, 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 are separated by piston 92B.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 explain 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 is transferred on the orientation that is communicated with sample tap 12B and high-pressure sampling container 106B.High-pressure sampling container 106B accepts the HTHP sample, with being 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
Rotary body 33 is not necessarily cylindrical shape with built-in rotary body 33A.They can be that blade is plate shaped, frame or other geometric configuration.And if do not need convection cell to shear, rotary body 33 can save with built-in rotary body 33A.
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 pressure vessel assembly 80 inner material densities distributes.
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 the 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 analysis and needn't discharge the pressure that reduces in the high voltage testing device body from the Hi-pot test container.
(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 all only is being a bit larger tham 5, and the pressure of 000psi is tested down.
(d) method of the present invention can be dynamically and static mode, under the condition of various angles of inclination, carries out the test of HTHP drilling fluid.
Accompanying drawing is understood the explanation of literal in the corresponding literary composition, can more clearly understand objects and advantages of the present invention.

Claims (10)

1. high-temperature high-pressure sedimentation tester comprises:
(a) pressure vessel, this pressure vessel are provided with charge door and any one fixed angle between the 0-90 degree with respect to the horizontal plane in order to the control internal pressure;
(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) adopt magnetic coupling or motor-driven rotary body to rotate;
(d) said pressure vessel can utilize pressure reduction to extract sample liquid more than; It is through being provided with hydraulic pump, reduction valve, sample valve and sample cell; And injection port and sample thief effected are set on pressure vessel; Wherein sample cell is divided into pressurization grease chamber and sample chamber by piston or the folded storage of air bag, and reduction valve links to each other with sample cell with the side of hydraulic pump in the pressurization grease chamber, and sample chamber one side of sample cell links to each other with injection port; Make when from pressure vessel, extracting sample; Hydraulic pump can be transported to fluid under pressure in the sample cell, and then adds sample in pressure vessel, and wherein pressure is constant to keep; Also comprise the sampling pipe in the pressure vessel, the one of which end links to each other with the sealing of sample thief mouth at the pressure vessel top, and the other end extends to the bottom or the arbitrary height of pressure vessel; Sample valve is connected with the sample thief mouth, and the sample thief mouth is used for extracting sample from pressure vessel and detects and analyze;
(e), do at least one the measurement relevant with settling character for the sample liquid of from above said pressure vessel, extracting out.
2. high-temperature high-pressure sedimentation tester as claimed in claim 1 is characterized in that adopting density measuring equipment to do at least one the measurement relevant with settling character.
3. high-temperature high-pressure sedimentation tester as claimed in claim 1 is characterized in that said rotary body is columnar.
4. high-temperature high-pressure sedimentation tester as claimed in claim 1 is characterized in that said rotary body is a paddle.
5. high-temperature high-pressure sedimentation tester as claimed in claim 1 is characterized in that also comprising the detection of the energy consumption of the device that the driven in rotation body is rotated.
6. high-temperature high-pressure sedimentation tester, comprising:
A) pressure vessel that loads sample liquid in said pressure vessel, has a rotary body, and this rotary body is driven rotation, and this rotary body directly contacts with 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 thief mouth; Can extraction sample liquid under the pressure reduction condition arranged; It is through being provided with hydraulic pump, reduction valve and sample valve; And high pressure injection port and sample thief effected are set on pressure vessel, and wherein the sample thief mouth is located at the lower position of pressure vessel, and radially is being connected with the pressure vessel bottom; Piston is positioned at pressure vessel inside, and its below is full of sample, and the top is full of fluid under pressure; Reduction valve is connected with the high pressure injection port with hydraulic pump, and sample valve is connected with the sample thief mouth, makes that hydraulic pump can be added fluid under pressure in the pressure vessel when from pressure vessel, extracting sample, and wherein pressure is constant to keep; The sample thief mouth is used for extracting sample from pressure vessel and detects and analyze;
D) the sample liquid of from said pressure vessel, extracting out is done at least one the measurement relevant with settling character.
7. high-temperature high-pressure sedimentation tester as claimed in claim 6 is characterized in that taking density measuring equipment that sample liquid is done at least one the measurement relevant with settling character.
8. high-temperature high-pressure sedimentation tester, comprising:
(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) the driven in rotation body rotates,
(e) also comprise hydraulic pump, reduction valve, sample valve and sample cell, and said pressure vessel is provided with the sample thief mouth that a sample fluid power is extracted out from pressure vessel;
Wherein sample cell is divided into pressurization grease chamber and sample chamber by piston or the folded storage of air bag; Reduction valve links to each other with sample cell with the side of hydraulic pump in the pressurization grease chamber; Make when from pressure vessel, extracting sample; Hydraulic pump can be transported to fluid under pressure in the sample cell, and then adds sample in pressure vessel, and wherein pressure is constant to keep;
Also comprise the sampling pipe in the pressure vessel, the one of which end links to each other with the sealing of sample thief mouth at the pressure vessel top, and the other end extends to the bottom or the arbitrary height of pressure vessel;
Sample chamber one side of sample cell links to each other with T-valve; Sample thief mouth on the other two ends of T-valve and the pressure vessel is connected with the high temperature sampling container of the sample liquid that is used to receive HTHP, takes a sample through T-valve is transferred on the orientation that connects sample thief mouth and high-pressure sampling container;
(f) the sample liquid of from said pressure vessel, extracting out is done at least one the measurement relevant with settling character.
9. high-temperature high-pressure sedimentation tester as claimed in claim 8 is characterized in that describedly the sample liquid of from said pressure vessel, extracting out is done at least one measurement relevant with settling character being meant density measure.
10. high-temperature high-pressure sedimentation tester as claimed in claim 8, it is characterized in that described driven in rotation body rotate the means that adopt be see through more than the magnetic force couple drive method of said pressure vessel wall.
CN2008101284397A 2008-06-29 2008-06-29 High-temperature high-pressure sedimentation tester Expired - Fee Related CN101614648B (en)

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