CN202886230U - Drilling fluid density measuring instrument - Google Patents
Drilling fluid density measuring instrument Download PDFInfo
- Publication number
- CN202886230U CN202886230U CN 201220594648 CN201220594648U CN202886230U CN 202886230 U CN202886230 U CN 202886230U CN 201220594648 CN201220594648 CN 201220594648 CN 201220594648 U CN201220594648 U CN 201220594648U CN 202886230 U CN202886230 U CN 202886230U
- Authority
- CN
- China
- Prior art keywords
- measuring instrument
- density measuring
- pressure transducer
- data processing
- mud
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a drilling fluid density measuring instrument which comprises a pressure signal acquisition unit, a data processing unit for processing the obtained pressure signals, a display unit and a power supply. The pressure signal acquisition unit, the display unit and the power supply are connected with the data processing unit respectively. The utility model provides the drilling fluid density measuring instrument which is simple in structure and easy to realize, and the fluid density can be measured in real time.
Description
Technical field
The utility model relates to a kind of penetron, relates in particular to a kind of wellbore mud density measuring instrument.
Background technology
Drilling fluid is commonly called as mud, plays very important total usefulness in oil drilling.In its numerous functions, mainly be that landwaste is taken to ground from the shaft bottom, satisfy oil drilling circulation needs.But because stratal configuration is complicated, before drilling well, earth's crust rock stratum maintains a relatively stable state under the effect of original power.Will break this balance after drill bit is squeezed into the stratum, causing holes loses directly, hole wall falls piece, cave in etc.Especially ought run into creviced formation, karst strata, hydraulic oil, gas, water stratum, build-up of pressure is unbalance, will occur leaking, a series of adverse consequencess such as water burst, blowout.
In order to guarantee the stable of well, the drilling pressure balance just needs engineering technical personnel according to actual needs, regulates mud density, guarantees that mud pressure and drilling stratum pressure keeps balance.When running into hydrocarbon zone, to lean on equally mud pressure column equilibration oil-air pressure post.
The utility model content
In order to solve the above-mentioned technical matters that exists in the background technology, the utility model provides a kind of can measure mud density, the simple in structure and wellbore mud density measuring instrument that is easy to realize in real time.
Technical solution of the present utility model is: the utility model provides a kind of wellbore mud density measuring instrument, and its special character is: described wellbore mud density measuring instrument comprises the pressure signal deriving means, be used for data processing equipment, display device and power supply that the pressure signal that obtains is processed; Described pressure signal deriving means, display device and power supply link to each other with data processing equipment respectively.
Above-mentioned pressure signal deriving means comprises the first pressure transducer and the second pressure transducer; Described the first pressure transducer and the second pressure transducer link to each other with data processing equipment respectively.
Above-mentioned the first pressure transducer and the second pressure transducer link to each other with data processing equipment by signal cable respectively.
Above-mentioned the first pressure transducer and the second pressure transducer are on the non-same level face.
Above-mentioned wellbore mud density measuring instrument also comprises the external communication interface that links to each other with data processing equipment.
Above-mentioned data processing equipment is single-chip microcomputer.
Above-mentioned display device is LCDs or touch display screen.
The utility model has the advantages that:
The utility model provides a kind of wellbore mud density measurement mechanism, and density and the mud level of the display well mud that this device can be real-time, and the spacing of sensor detect the correctness of installing; The utility model can be according to staff's needs, regulate the installation of sensors position, comprise spacing between the sensor and the sensor distance at the bottom of the tank, the convenient installation, and the while can also be passed through the liquid crystal panel parameters, and does not affect measuring accuracy; The utility model can detecting sensor the installation site whether consistent with desired location, confirm the correctness of installing; Of the present utility model simple in structure, be easy to realize, be applicable to wellbore mud density and detect, and do not affect the periodic duty of mud in drilling well.
Description of drawings
Fig. 1 is the structural representation of wellbore mud density measuring instrument provided by the utility model;
Wherein:
1-mud; The 2-mud tank; 3-the first pressure transducer; 4-the second pressure transducer; The 5-data processing equipment; The 6-display device; 7-communication and signaling interface; The 8-signal cable; The 10-power supply.
Embodiment
Referring to Fig. 1, the utility model provides a kind of wellbore mud density measuring instrument, the power supply 10 that this wellbore mud density measuring instrument comprises the pressure signal deriving means, is used for data processing equipment 5, the display device 6 that is used for parameter display and setting that the pressure signal that obtains is processed and is used for whole measuring instrument is powered; Pressure signal deriving means, display device 6 and power supply 10 link to each other with data processing equipment 5 respectively.
The pressure signal deriving means comprises for detection of the first pressure transducer 3 of mud pressure and the second pressure transducer 4; The first pressure transducer 3 and the second pressure transducer 4 link to each other with data processing equipment 5 by signal cable 8 respectively.The first pressure transducer 3 and the second pressure transducer 4 are on the non-same level face.
Carry out communication contact for the ease of the utility model and outside, wellbore mud density measuring instrument provided by the utility model also comprises the external communication interface (communication and signaling interface 7) that links to each other with data processing equipment 5.
Display device 6 can be LCDs or touch display screen.
Because the complicacy of crustal structure when drill bit is punched the stratum, crack, stratum, solution cavity or gas, water, oil formation probably occur.When running into crack or solution cavity, mud can constantly be filled up them, and the mud flow rate that well head flow detection instrument measures will change, and at this moment just needs the staff according to the density of actual conditions adjusting mud, reduces the difference in flow of mud.Equally, when drill bit runs into formation gas, water, oil, if the pressure of mud is greater than their pressure, their pressure can cause the leakage of mud, if greater than the pressure of mud, can cause again oil gas to leak, cause waste and pollution, these all are that institute is unallowable in the drilling well.So the staff must adjust according to the real-time pressure of drilling stratum the density of mud, guarantee the stability of reservoir pressure.
Effect of the present utility model just is the detection to mud density, principle of work of the present utility model for convenience of explanation, the utility model adopts the mud that is perfused with mud 1 to fill with 2 pairs of down-hole situations and simulates, the first pressure transducer 3 that simultaneously the utility model is adopted and the second pressure transducer 4 are arranged on the differing heights place of mud filling 2, and its specific works principle is:
Suppose that the pressure that the first pressure transducer 3 detects is P
1, the first pressure transducer 3 is h to the height of mud liquid level
1, it is P that the second pressure transducer 4 detects pressure
2, the second pressure transducer 4 is h to the height of mud liquid level
2, the alternate position spike that the first pressure transducer 3 and the second pressure transducer 4 are put in steam piano is Δ, the distance of the second pressure transducer 4 at the bottom of the mud tank is h
3The mud level height is h.
Wherein, Δ and h
3Can adjust as required.
The staff is written to data processing equipment with the value of Δ by liquid crystal panel, and then data processing equipment can calculate mud density ρ according to the force value that the first pressure transducer 3 and the second pressure transducer 4 collect.Wherein the size of ρ can calculate according to formula (1)
In the formula, P
1, P
2Be the value that collects, Δ is setting value, and g is acceleration of gravity.
After calculating mud density, just can go out according to following formula inverse the liquid level of mud.
The staff is h with the distance of the second pressure transducer 4 at the bottom of the mud tank
3Be written to data processing equipment by liquid crystal panel, then the h that calculates according to formula (2) or formula (3) of data processing equipment
1Or h
2Just can try to achieve the mud level height by formula (4) is h.
h=h
2+h
3=h
1+Δ+h
3 （4）
Therefore, use the density of mud in the detection steam piano that drilling mud shaking penetron can be real-time and the liquid level of mud by this, realize the stability of drilling stratum pressure.
Claims (7)
1. wellbore mud density measuring instrument is characterized in that: described wellbore mud density measuring instrument comprises the pressure signal deriving means, be used for data processing equipment, display device and power supply that the pressure signal that obtains is processed; Described pressure signal deriving means, display device and power supply link to each other with data processing equipment respectively.
2. wellbore mud density measuring instrument according to claim 1, it is characterized in that: described pressure signal deriving means comprises the first pressure transducer and the second pressure transducer; Described the first pressure transducer and the second pressure transducer link to each other with data processing equipment respectively.
3. wellbore mud density measuring instrument according to claim 2, it is characterized in that: described the first pressure transducer and the second pressure transducer link to each other with data processing equipment by signal cable respectively.
4. wellbore mud density measuring instrument according to claim 3, it is characterized in that: described the first pressure transducer and the second pressure transducer are on the non-same level face.
5. the described wellbore mud density measuring instrument of arbitrary claim according to claim 1-4, it is characterized in that: the wellbore mud density measuring instrument also comprises the external communication interface that links to each other with data processing equipment.
6. wellbore mud density measuring instrument according to claim 5, it is characterized in that: described data processing equipment is single-chip microcomputer.
7. wellbore mud density measuring instrument according to claim 6, it is characterized in that: described display device is LCDs or touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220594648 CN202886230U (en) | 2012-11-12 | 2012-11-12 | Drilling fluid density measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220594648 CN202886230U (en) | 2012-11-12 | 2012-11-12 | Drilling fluid density measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886230U true CN202886230U (en) | 2013-04-17 |
Family
ID=48077644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220594648 Expired - Lifetime CN202886230U (en) | 2012-11-12 | 2012-11-12 | Drilling fluid density measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019887A (en) * | 2015-07-17 | 2015-11-04 | 河海大学 | Differential pressure slurry depth tester |
-
2012
- 2012-11-12 CN CN 201220594648 patent/CN202886230U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105019887A (en) * | 2015-07-17 | 2015-11-04 | 河海大学 | Differential pressure slurry depth tester |
| CN105019887B (en) * | 2015-07-17 | 2018-10-23 | 河海大学 | Differential depth of mud tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102071926B (en) | Method and device for measuring full-hole annular pressure and method and device for controlling same | |
| CN202866782U (en) | Well drilling well control parameter intelligent monitoring system | |
| CN105178943A (en) | Method for correcting well shaft pressure in real time | |
| CN104535422B (en) | A kind of method of simulation test drilling deformation | |
| CN108691536A (en) | A kind of horizontal effective stress test method and test device | |
| CN210154614U (en) | Foundation pit and settlement monitoring device of peripheral stratum thereof based on BIM | |
| CN105298472A (en) | Gas cutting early stage monitoring method | |
| CN104373118A (en) | Measurement method for effective extraction radius of drill hole | |
| CN202718673U (en) | Visual physical simulation device for bottom water reservoir | |
| CN205748469U (en) | Many Information Field monitoring systems of a kind of reservoir landslide | |
| CN201496014U (en) | Downhole safety monitoring system for underbalance drilling compound logging | |
| CN211179421U (en) | Directional drilling fluid viscosity measuring device for trenchless technology | |
| CN202886230U (en) | Drilling fluid density measuring instrument | |
| CN101435208B (en) | Device and method for monitoring uneven settlement of earth slit formation tunnel | |
| CN201924850U (en) | Flow type underground leakage point detection device | |
| CN201606060U (en) | Mud pressure and density logging instrument | |
| CN204591261U (en) | A kind of oil drilling ultrasonic liquid level monitoring device | |
| CN108362611B (en) | Rheological property in-situ measurement device for liquefied submarine sediment | |
| CN203772243U (en) | Underground displacement automatic monitor | |
| CN103089247B (en) | Gas pressure testing device and method of coal measure strata rich in water | |
| CN208636444U (en) | A kind of geostress survey device and geostress survey system | |
| CN202832506U (en) | Depression angle measuring system of gas pressure | |
| CN202220566U (en) | Wired communication screw | |
| CN102094632A (en) | Mud pressure and density logging instrument | |
| CN207813607U (en) | A kind of horizontal effective stress test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200731 Address after: 710000 office building, Xifu, Qinling Avenue, Caotang science and technology industrial base, high tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Baode Intelligent Technology Co.,Ltd. Address before: 710077 Shaanxi city of Xi'an province high tech Zone Jinye Road No. 69 gazelle entrepreneurial development park C District Valley A block 5 layer Patentee before: Bode Energy Equipment Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |