CN101182768B - Ultra-thick oil down-hole temperature, pressure double parameter (multi-point) dynamic measurement system - Google Patents
Ultra-thick oil down-hole temperature, pressure double parameter (multi-point) dynamic measurement system Download PDFInfo
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- CN101182768B CN101182768B CN2007101587450A CN200710158745A CN101182768B CN 101182768 B CN101182768 B CN 101182768B CN 2007101587450 A CN2007101587450 A CN 2007101587450A CN 200710158745 A CN200710158745 A CN 200710158745A CN 101182768 B CN101182768 B CN 101182768B
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Abstract
An measuring system for measuring ultra-thick oil underground temperature and pressure two-parameter (multi-point) dynamic, applied in the art of temperature and pressure measuring technology, consists of a flat valve, a well shutting device, an upper flange, a continuous oil-pipe seal, a cross joint, a connector, an armoured thermocouple, a capillary, a continuous oil pipe and a continuous oil-pipe suspending device. The present invention is characterized in that the upper part of the cross joint is provided with the upper flange and the left part of the cross joint is provided with the flat valve; the upper part of the upper flange is provided with the well shutting device; the right shoulder of the upper part of the upper flange is provided with the continuous oil-pipe suspending device and the continuous oil-pipe seal; the left part of the well shutting device is provided with the flat valve; the continuous oil-pipe suspending device is provided with the continuous oil pipe and the connector; the connector is provided with the armoured thermocouple and the capillary. The system with novel and scientific design can achieve the collecting, displaying, storing and transferring of system pressure and temperature.
Description
Technical field:
The present invention relates to temperature, pressure measurement technology field, be mainly used in a kind of ultra-thick oil down-hole temperature, pressure double parameter (multiple spot) dynamic measurement system in SAGD (SAGD) when technology of viscous crude, super heavy oil recovery.
Background technology:
At present; Both at home and abroad in temperature, the pressure measurement technology field; For oilfield exploitation; Oil well downhole temperature, pressure parameter all are crucial for viscous crude, super heavy oil recovery and SAGD (SAGD) technical application, in the kinetic measurement of the temperature, pressure of the straight well of underground 600 meters (or darker) and horizontal well.Then abominable because of the working sensor environment, intensity is difficult to guarantee with the measurement accuracy.General oil field gas injection well, producing well is straight well, and measuring well is straight well and horizontal well cooperation, carries out temperature, and the measurement of pressure is hoped the oil well downhole temperature, pressure measurement point is The more the better.Therefore, develop a kind of ultra-thick oil down-hole temperature, pressure double parameter (multiple spot) dynamic measurement system is home and abroad new problem anxious to be solved always.
Summary of the invention:
The purpose of this invention is to provide a kind of novel, science, ultra-thick oil down-hole temperature, pressure double parameter (multiple spot) dynamic measurement system that the feasible system pressure and temperature is gathered, shown, stores and transmit.
The objective of the invention is to realize like this: ultra-thick oil down-hole temperature, pressure double parameter (multiple spot) dynamic measurement system; Form by flap type, closing well device, upper flange, coiled tubing sealing, four-way, connector, armoured thermocouple, capillary tube, coiled tubing, coiled tubing suspension arrangement; Load onto flange on four-way top, at four-way left part dress flap type, the dress closing well device on upper flange top; Continuous oil pipe suspension arrangement of right shoulder load and coiled tubing sealing on upper flange top; At closing well device left part dress flap type, continuous oil pipe of load and connector are adorned armoured thermocouple, capillary tube on connector on the coiled tubing suspension arrangement; This system adopts the armoured thermocouple and the pressure measurement capillary tube measuring system of coiled tubing protection, and mT/nP (m, n are the natural number less than 10) selects arbitrarily among the 2T-10T/2P-6P; Coiled tubing is that overlength can be around Qu Gangguan, and its material is a high-strength low alloy steel, and the material yield tensile ratio is 0.82 ± 0.02; The armoured thermocouple external diameter is Ф 2 and Ф 2.5mm, and the armour cover material is 1Cr18Ni9Ti; Capillary piezometer tube and downhole oil vapour phase are logical, and material is 316L; The external diameter of armoured thermocouple and the quantity of temperature-sensing element can change and it is characterized in that can be made into 4 couples of 3 couples of Ф Ф and Ф 5,6 three thermocouples of Ф; The armoured thermocouple calibration number is K type or E, J type.
Main points of the present invention are its operating principle and structure.Its principle is: general oil field gas injection well, and producing well is straight well, and measuring well is that straight well and horizontal well cooperate, and carries out temperature, the measurement of pressure.Hope the oil well downhole temperature, pressure measurement point is The more the better, but this patent thermometric (T) some m, pressure tap (P) n, sensor wellhead assembly structure; Coiled tubing can be around Qu Gangguan for what can meet the demands length, and built-in armoured thermocouple and capillary tube are made the usefulness of temperature, pressure measurement.The sensor section is that 6T/2P is as increasing or reduce point for measuring temperature, as long as change the quantity of armoured thermocouple.The armoured thermocouple external diameter is Ф 2mm or Ф 2.5mm, also can use Ф 4, and Ф 5, and Ф 6 multicore thermocouples, pressure measurement capillary tube are Ф 6 * 1mm stainless steel tube.Armoured thermocouple and pressure measurement length capillaceous and measuring point are decided with need, and armoured thermocouple and pressure measurement capillary tube are contained in the coiled tubing, and coiled tubing is used the high-yield-ratio steel pipe, and length is determined by armoured thermocouple length.Coiled tubing and capillary tube are welded to connect, and inflated with nitrogen in the capillary tube is with air pressure balance measuring well downforce.The coiled tubing floor outlet is connected armoured thermocouple with special-purpose temperature digital display meter with the pressure measurement capillary tube through connector with pressure transmitter; The collection of native system pressure and temperature, demonstration, storage and transmission all can realize, all right wireless transmission.The thermometric armoured thermocouple meets corresponding GB and international standard required precision: 0～350 ℃, and the K type, the thermometric repeatability error is less than ± 1 ℃.Pressure measurement pressure transmitter precision ± 0.25%, 0～10Mpa.The pressure measurement repeatability error is less than ± 0.1MPa
Ultra-thick oil down-hole temperature, pressure double parameter (multiple spot) dynamic measurement system are compared with prior art; Has novel, science; Advantages such as the collection of feasible system pressure and temperature, demonstration, storage, transmission will be widely used in temperature, the pressure measurement technology field.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a sensor section structure sketch map of the present invention.
The specific embodiment:
With reference to accompanying drawing; Ultra-thick oil down-hole temperature, pressure double parameter (multiple spot) dynamic measurement system are made up of flap type 1, closing well device 2, upper flange 3, coiled tubing sealing 4, four-way 5, connector 6, armoured thermocouple 7, capillary tube 8, coiled tubing 9, coiled tubing suspension arrangement 10, load onto flange 3 on four-way 5 tops; At four-way 5 left parts dress flap type 1; The dress closing well device 2 on upper flange 3 tops, continuous oil pipe suspension arrangement 10 of right shoulder load and coiled tubing sealing 4 on upper flange 3 tops are at closing well device 2 left parts dress flap type 1; Continuous oil pipe 9 of load and connector 6 on coiled tubing suspension arrangement 10, dress armoured thermocouple 7, capillary tube 8 on connector 6; This system adopts the armoured thermocouple 7 and pressure measurement capillary tube 8 measuring systems of coiled tubing 9 protections, and mT/nP (m, n are the natural number less than 10) selects arbitrarily among the 2T-10T/2P-6P; Coiled tubing 9 can be around Qu Gangguan for overlength, and its material is a high-strength low alloy steel, and the material yield tensile ratio is 0.82 ± 0.02; Armoured thermocouple 7 external diameters are Ф 2 and Ф 2.5mm, and the armour cover material is 1Cr18Ni9Ti; Capillary piezometer tube and downhole oil vapour phase are logical, and material is 316L; The external diameter of armoured thermocouple 7 and the quantity of temperature-sensing element can change, and can be made into 4 couples of 3 couples Ф of Ф and Ф 5,6 three thermocouples of Ф; Armoured thermocouple 7 calibration number are K type or E, J type.
This patent can be to a temperature m measuring point, pressure n measuring point mT/nP (m, n are the natural number less than 10) temperature, pressure measuring system.Wherein survey mark can increase and decrease the survey mark of temperature and pressure on demand, but range finding 1500m or longer.Temperature and pressure is measured and is adopted armoured thermocouple and capillary tube to be contained in the special high strength coiled tubing, and coiled tubing links to each other with wellhead assembly; Thermocouple links to each other with well surface temperature pressure acquisition, transmission, demonstration, stocking system with piezometer tube.Use the recovery ratio that this subsystem can significantly improve ultra viscous crude.
Claims (7)
1. a ultra-thick oil down-hole temperature, pressure double parameter multiple spot dynamic measurement system; Form by flap type, closing well device, upper flange, coiled tubing sealing, four-way, connector, armoured thermocouple, capillary piezometer tube, coiled tubing, coiled tubing suspension arrangement; It is characterized in that: load onto flange on four-way top, at four-way left part dress flap type, the dress closing well device on upper flange top; Continuous oil pipe suspension arrangement of right shoulder load and coiled tubing sealing on upper flange top; At closing well device left part dress flap type, continuous oil pipe of load and connector are adorned armoured thermocouple, capillary piezometer tube on connector on the coiled tubing suspension arrangement.
2. ultra-thick oil down-hole temperature as claimed in claim 1, pressure double parameter multiple spot dynamic measurement system; It is characterized in that: this system adopts the armoured thermocouple and the capillary piezometer tube measuring system of coiled tubing protection; The temperature parameter of the energy measurement m of this a system measuring point and the pressure parameter of n measuring point; M is the natural number of 2-10, and n is the natural number of 2-6.
3. ultra-thick oil down-hole temperature as claimed in claim 1, pressure double parameter multiple spot dynamic measurement system is characterized in that: coiled tubing is that overlength can be around Qu Gangguan, and its material is a high-strength low alloy steel, and the material yield tensile ratio is 0.82 ± 0.02.
4. ultra-thick oil down-hole temperature as claimed in claim 1, pressure double parameter multiple spot dynamic measurement system is characterized in that: the armoured thermocouple external diameter is Φ 2 or Φ 2.5mm, and the armour cover material is 1Cr18Ni9Ti.
5. ultra-thick oil down-hole temperature as claimed in claim 1, pressure double parameter multiple spot dynamic measurement system is characterized in that: capillary piezometer tube and downhole oil vapour phase are logical, and material is 316L.
6. ultra-thick oil down-hole temperature as claimed in claim 1, pressure double parameter multiple spot dynamic measurement system is characterized in that: the external diameter of armoured thermocouple and the quantity of temperature-sensing element can change, and can process 3 couples of Φ, 4 couples of Φ and Φ 5,6 three thermocouples of Φ.
7. ultra-thick oil down-hole temperature as claimed in claim 1, pressure double parameter multiple spot dynamic measurement system is characterized in that: armoured thermocouple calibration number is K type or E, J type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101587450A CN101182768B (en) | 2007-12-07 | 2007-12-07 | Ultra-thick oil down-hole temperature, pressure double parameter (multi-point) dynamic measurement system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101587450A CN101182768B (en) | 2007-12-07 | 2007-12-07 | Ultra-thick oil down-hole temperature, pressure double parameter (multi-point) dynamic measurement system |
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| CN101182768A CN101182768A (en) | 2008-05-21 |
| CN101182768B true CN101182768B (en) | 2012-05-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634223B (en) * | 2008-07-25 | 2012-08-15 | 新疆华隆油田科技股份有限公司 | Method for testing thick oil horizontal well |
| CN102206995B (en) * | 2011-05-26 | 2013-04-17 | 河南省科学院同位素研究所有限责任公司 | System for continuously monitoring temperature and pressure during steam injection and soaking process |
| CN102979493B (en) * | 2012-12-04 | 2015-04-15 | 尤尼斯油气技术（中国）有限公司 | Gas injection system for combustion of oil in-situ under super-critical pressure and gas injection method thereof |
| CN104088627A (en) * | 2014-07-31 | 2014-10-08 | 克拉玛依天兴泰石油科技有限公司 | Temperature and pressure testing system with steam assisting gravity in oil drainage |
| CN112762987B (en) * | 2020-12-28 | 2022-05-13 | 河海大学 | Sensor device and method for measuring pore pressure and temperature in concrete |
Citations (7)
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| CN2066487U (en) * | 1990-04-26 | 1990-11-28 | 河南石油勘探局采油工艺研究所 | Pressure and temp. double parameter tester for under well |
| EP0424120B1 (en) * | 1989-10-17 | 1995-09-20 | Baroid Technology, Inc. | Borehole pressure and temperature measurement system |
| CN2292901Y (en) * | 1997-05-30 | 1998-09-30 | 辽河石油勘探局钻采工艺研究院 | Annular temp. monitor for thermal recovery well of viscous crude |
| CN2451735Y (en) * | 2000-11-03 | 2001-10-03 | 中国石油天然气股份有限公司 | Capillary down-hole pressure monitoring transmitter |
| CN1442601A (en) * | 2002-03-01 | 2003-09-17 | 中国石油天然气股份有限责任公司 | Over pumping high and low temperature direct reading monitoring system |
| CN2679362Y (en) * | 2003-12-16 | 2005-02-16 | 中国海洋石油总公司 | Continuous gas injecting unit for measuring capillary pressure of oil field |
| CN2761839Y (en) * | 2005-01-11 | 2006-03-01 | 张建华 | High temperature direct reading four-parameter optical fiber sensor for thick oil hot extraction well |
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2007
- 2007-12-07 CN CN2007101587450A patent/CN101182768B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0424120B1 (en) * | 1989-10-17 | 1995-09-20 | Baroid Technology, Inc. | Borehole pressure and temperature measurement system |
| CN2066487U (en) * | 1990-04-26 | 1990-11-28 | 河南石油勘探局采油工艺研究所 | Pressure and temp. double parameter tester for under well |
| CN2292901Y (en) * | 1997-05-30 | 1998-09-30 | 辽河石油勘探局钻采工艺研究院 | Annular temp. monitor for thermal recovery well of viscous crude |
| CN2451735Y (en) * | 2000-11-03 | 2001-10-03 | 中国石油天然气股份有限公司 | Capillary down-hole pressure monitoring transmitter |
| CN1442601A (en) * | 2002-03-01 | 2003-09-17 | 中国石油天然气股份有限责任公司 | Over pumping high and low temperature direct reading monitoring system |
| CN2679362Y (en) * | 2003-12-16 | 2005-02-16 | 中国海洋石油总公司 | Continuous gas injecting unit for measuring capillary pressure of oil field |
| CN2761839Y (en) * | 2005-01-11 | 2006-03-01 | 张建华 | High temperature direct reading four-parameter optical fiber sensor for thick oil hot extraction well |
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