CN103075146A - Differential temperature and pressure tester for horizontal well for thermal recovery - Google Patents
Differential temperature and pressure tester for horizontal well for thermal recovery Download PDFInfo
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- CN103075146A CN103075146A CN2011103264262A CN201110326426A CN103075146A CN 103075146 A CN103075146 A CN 103075146A CN 2011103264262 A CN2011103264262 A CN 2011103264262A CN 201110326426 A CN201110326426 A CN 201110326426A CN 103075146 A CN103075146 A CN 103075146A
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Abstract
The invention provides a differential temperature and pressure tester for a horizontal well for thermal recovery. A first temperature sensor and a second temperature sensor are arranged at a certain distance for temperature measurement, and a pressure sensor probe is used for measuring pressure; a data acquisition circuit is positioned in a thermos and acquires temperature and pressure data; and the thermos protects the data acquisition circuit against the impact of high temperature, and a protective cylinder in the tester is a protective cylinder of the thermos. The differential temperature and pressure tester for the horizontal well for thermal recovery solves the problems that the uniform vapor suction and liquid production of a long horizontal segment can not be ensured, the horizontal well segment can not be fully utilized after multi-cycle of huff and puff, and many horizontal wells for thermal recovery are inefficient and the like in the prior art are solved, and has the advantages of realization of differential temperature and pressure testing of the horizontal well, high temperature high pressure resistance and reliable and secure testing.
Description
Technical field
The present invention relates to the section plane test device of petroleum industry development process, particularly relate to a kind of horizontal well thermal recovery DTEM and well pressure tester.
Background technology
Along with the tackling key problem of horizontal well thermal production supporting technology, horizontal well application and scale constantly enlarge, it is main by the scattered integral body that changes into also that thick oil horizontal well is used, but test and the test in early stage show, because extended horizontal depth, present notes, excavating technology can not guarantee that long horizontal segment evenly inhales vapour, production fluid, and many rounds rear net horizontal section of handling up can not all be employed, there are many poor efficiency horizontal well thermal recoveries in the horizontal well thermal recovery dropping into, are badly in need of solving these problems by means of testing.For this present situation, we have invented a kind of new horizontal well thermal recovery DTEM and well pressure tester, can be to turning the producing well of taking out behind the steam soak, carry out static well temperature and well and press section plane test, qualitatively distinguish in the steam injection process that each perforated interval inhales vapour situation, the production fluid situation, horizontal segment development degree, and qualitative analysis water outlet section.In addition, the effect that the horizontal well thermal recovery DTEM among the present invention and well pressure tester can also the evaluation measures wells, by the situation of change of thermal field, the effect before and after the analysis measures is for the horizontal well thermal recovery exploitation provides new technical support.
Summary of the invention
The purpose of this invention is to provide a kind of horizontal well DTEM, well can realized and press test, but high temperature high voltage resistant is tested reliable and secure horizontal well thermal recovery DTEM and well pressure tester.
Purpose of the present invention can be achieved by the following technical measures: horizontal well thermal recovery DTEM and well pressure tester; this horizontal well thermal recovery DTEM and well pressure tester comprise Sensor section and circuit part; this Sensor section comprises the first temperature transducer; the second temperature transducer and pressure sensor probe; this circuit part comprises vacuum flask; protection cylinder in data acquisition circuit and the instrument; this first temperature transducer and this second temperature transducer keep at a certain distance away and carry out temperature survey; this pressure sensor probe measuring pressure; this data acquisition circuit is positioned at this vacuum flask; and gather this first temperature transducer; the temperature of this second temperature transducer and this pressure sensor probe measurement; pressure data; this vacuum flask protects this data acquisition circuit to avoid temperatures involved, and the protection cylinder is the protection cylinder of this vacuum flask in this instrument.
Purpose of the present invention also can be achieved by the following technical measures:
This horizontal well thermal recovery DTEM and well pressure tester also comprise guide head, are connected in this Sensor section, are used for guaranteeing this horizontal well thermal recovery DTEM and well pressure tester successfully are lowered into horizontal segment.
This horizontal well thermal recovery DTEM and well pressure tester comprise that also instrument protects cylinder outward, protect this horizontal well thermal recovery DTEM and well pressure tester to avoid damaging in removing process.
This horizontal well thermal recovery DTEM and well pressure tester also comprise crashproof spring, tightening nut and sealing copper packing; when this crashproof spring prevents that instrument from removing in the protection cylinder strenuous vibration; this tightening nut prevents this horizontal well thermal recovery DTEM and the dropout of well pressure tester; the sealing copper packing is used for this vacuum flask inwall of sealing; this Sensor section and this circuit part link together by sealing copper packing and this tightening nut; this crashproof spring is positioned at the lower end of this tightening nut, protects cylinder to pass this Sensor section outward in this instrument and is enclosed within outside this circuit part.
This horizontal well thermal recovery DTEM and well pressure tester also comprise damping spring and plug; this damping spring prevents from damaging this horizontal well thermal recovery DTEM and well pressure tester removing suddenly to carry producing when suddenly putting to rock; one end of this plug and this instrument are protected outward and are put into this damping spring between the cylinder and link together, and each parts of this horizontal well thermal recovery DTEM and well pressure tester are enclosed in this instrument protect in the cylinder outward.
This horizontal well thermal recovery DTEM and well pressure tester also comprise reducer union and tubing coupling, this reducer union links to each other with the other end of this plug, this tubing coupling is connected to this reducer union, and the top connected pipes of this tubing coupling utilizes this oil pipe that this horizontal well thermal recovery DTEM and well pressure tester are transported to horizontal segment.
This horizontal well thermal recovery DTEM and well pressure tester also comprise the sensor body seat, and the hole that this first temperature transducer, this second temperature transducer and this pressure sensor probe pass on this sensor body seat is connected to this sensor body seat.
All has the sensor protection pipe outside this first temperature transducer, this second temperature transducer and this pressure sensor probe.
Horizontal well thermal recovery DTEM among the present invention and well pressure tester, for the high characteristics of heavy crude heat extraction Horizontal Well temperature, adopt the metal heat insulation technology, realize DTEM test under the hot environment in the horizontal well thermal recovery horizontal segment, thereby analyze the development degree of horizontal well thermal recovery horizontal segment and inhale vapour and production profile situation.This horizontal well thermal recovery DTEM and well pressure tester mainly comprise temperature elementary errors, temperature, pressure sensor, the heat insulation bottle of high-temperature metal, data acquisition memory circuit, high-temperature battery, the parts such as corrosion-and high-temp-resistant bearing shell.Can measure the multi-parameters such as temperature, the temperature difference, pressure, for anti-stop signal disturbs mutually, improve certainty of measurement, preferred sensor, the structure of reasonable arrangement instrument, and satisfy the requirement that HTHP is measured.Horizontal well thermal recovery DTEM among the present invention and well pressure tester can be realized horizontal well DTEM, the test of well pressure; And, horizontal well thermal recovery DTEM and well pressure tester are high temperature resistant 350 ℃, high pressure 25MPa; Constructing operation is simple, tests reliable and secure.
Description of drawings
Fig. 1 is the structure chart of horizontal well thermal recovery DTEM of the present invention and well pressure tester.
The specific embodiment
For above and other purpose of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below.
As shown in Figure 1, Fig. 1 is the structure chart of horizontal well thermal recovery DTEM of the present invention and well pressure tester.This horizontal well thermal recovery DTEM and well pressure tester protect cylinder 12, damping spring 13, plug 14, reducer union 15 and tubing coupling 16 to form outward by protection cylinder 9, vacuum flask 10, data acquisition circuit 11, instrument in guide head 1, the first temperature transducer 2, the second temperature transducer 3, crashproof spring 4, pressure sensor probe 5, tightening nut 6, sealing copper packing 7, sensor body seat 8, the instrument.
The first temperature transducer 2, the second temperature transducer 3, pressure sensor probe 5 holes of passing on the sensor body seat 8 are connected to noumenal seat, and three sensors have the sensor protection pipe outward, have formed Sensor section; Guide head 1 places bottom and links together with this part; The circuit of drawing from Sensor section is contained in the vacuum flask 10, and data acquisition circuit 11 is arranged in the vacuum flask 10, and skin has protection cylinder 9 in the instrument, and this is circuit part; Sensor section and circuit part link together by sealing copper packing 7 and tightening nut 6; then crashproof spring 4 is placed tightening nut 6 lower ends; protecting cylinder 12 to pass Sensor section outward in instrument is enclosed within outside the circuit part; plug 14 1 ends and instrument link together after protecting outward and putting into damping spring 13 between the cylinder 12; instrument is enclosed in the protection cylinder; one end is connected with reducer union 15; tubing coupling 16 is connected to reducer union 15; the top connected pipes utilizes oil pipe that downhole instrument is transported to horizontal segment.The single-chip data acquisition storage system is stored in the large capacity data memory by predefined time-program(me) timing acquiring and after compressing after the output signal of sensor is amplified in the test process, pass through the ground playback system after test finishes, test data is played back in the ground-based computer processes.
Claims (8)
1. horizontal well thermal recovery DTEM and well pressure tester; it is characterized in that; this horizontal well thermal recovery DTEM and well pressure tester comprise Sensor section and circuit part; this Sensor section comprises the first temperature transducer; the second temperature transducer and pressure sensor probe; this circuit part comprises vacuum flask; protection cylinder in data acquisition circuit and the instrument; this first temperature transducer and this second temperature transducer keep at a certain distance away and carry out temperature survey; this pressure sensor probe measuring pressure; this data acquisition circuit is positioned at this vacuum flask; and gather this first temperature transducer; the temperature of this second temperature transducer and this pressure sensor probe measurement; pressure data; this vacuum flask protects this data acquisition circuit to avoid temperatures involved, and the protection cylinder is the protection cylinder of this vacuum flask in this instrument.
2. horizontal well thermal recovery DTEM according to claim 1 and well pressure tester, it is characterized in that, this horizontal well thermal recovery DTEM and well pressure tester also comprise guide head, be connected in this Sensor section, be used for guaranteeing this horizontal well thermal recovery DTEM and well pressure tester successfully are lowered into horizontal segment.
3. horizontal well thermal recovery DTEM according to claim 1 and well pressure tester; it is characterized in that; this horizontal well thermal recovery DTEM and well pressure tester comprise that also instrument protects cylinder outward, protect this horizontal well thermal recovery DTEM and well pressure tester to avoid damaging in removing process.
4. horizontal well thermal recovery DTEM according to claim 3 and well pressure tester; it is characterized in that; this horizontal well thermal recovery DTEM and well pressure tester also comprise crashproof spring; tightening nut and sealing copper packing; when this crashproof spring prevents that instrument from removing in the protection cylinder strenuous vibration; this tightening nut prevents this horizontal well thermal recovery DTEM and the dropout of well pressure tester; the sealing copper packing is used for this vacuum flask inwall of sealing; this Sensor section and this circuit part link together by sealing copper packing and this tightening nut; this crashproof spring is positioned at the lower end of this tightening nut, protects cylinder to pass this Sensor section outward in this instrument and is enclosed within outside this circuit part.
5. horizontal well thermal recovery DTEM according to claim 3 and well pressure tester; it is characterized in that; this horizontal well thermal recovery DTEM and well pressure tester also comprise damping spring and plug; this damping spring prevents from damaging this horizontal well thermal recovery DTEM and well pressure tester removing suddenly to carry producing when suddenly putting to rock; one end of this plug and this instrument are protected outward and are put into this damping spring between the cylinder and link together, and each parts of this horizontal well thermal recovery DTEM and well pressure tester are enclosed in this instrument protect in the cylinder outward.
6. horizontal well thermal recovery DTEM according to claim 5 and well pressure tester, it is characterized in that, this horizontal well thermal recovery DTEM and well pressure tester also comprise reducer union and tubing coupling, this reducer union links to each other with the other end of this plug, this tubing coupling is connected to this reducer union, and the top connected pipes of this tubing coupling utilizes this oil pipe that this horizontal well thermal recovery DTEM and well pressure tester are transported to horizontal segment.
7. horizontal well thermal recovery DTEM according to claim 1 and well pressure tester, it is characterized in that, this horizontal well thermal recovery DTEM and well pressure tester also comprise the sensor body seat, and the hole that this first temperature transducer, this second temperature transducer and this pressure sensor probe pass on this sensor body seat is connected to this sensor body seat.
8. horizontal well thermal recovery DTEM according to claim 1 and well pressure tester is characterized in that, all have the sensor protection pipe outside this first temperature transducer, this second temperature transducer and this pressure sensor probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103264262A CN103075146A (en) | 2011-10-25 | 2011-10-25 | Differential temperature and pressure tester for horizontal well for thermal recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103264262A CN103075146A (en) | 2011-10-25 | 2011-10-25 | Differential temperature and pressure tester for horizontal well for thermal recovery |
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| CN103075146A true CN103075146A (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103264262A Pending CN103075146A (en) | 2011-10-25 | 2011-10-25 | Differential temperature and pressure tester for horizontal well for thermal recovery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675386A (en) * | 2015-03-18 | 2015-06-03 | 新疆华隆油田科技股份有限公司 | High-temperature platinum resistor well logging device |
| CN105089614A (en) * | 2014-05-08 | 2015-11-25 | 中国石油化工股份有限公司 | Water content testing instrument for thermal horizontal well |
| CN111980683A (en) * | 2020-08-17 | 2020-11-24 | 北京中地英捷物探仪器研究所有限公司 | Well temperature logging instrument |
| CN113294140A (en) * | 2021-04-15 | 2021-08-24 | 中石化石油工程技术服务有限公司 | Perforation tensiometer |
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2011
- 2011-10-25 CN CN2011103264262A patent/CN103075146A/en active Pending
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| CN2888070Y (en) * | 2006-03-31 | 2007-04-11 | 张建华 | Optical fiber type multi-point temperature and pressure measuring device for thick oil horizontal well |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089614A (en) * | 2014-05-08 | 2015-11-25 | 中国石油化工股份有限公司 | Water content testing instrument for thermal horizontal well |
| CN104675386A (en) * | 2015-03-18 | 2015-06-03 | 新疆华隆油田科技股份有限公司 | High-temperature platinum resistor well logging device |
| CN111980683A (en) * | 2020-08-17 | 2020-11-24 | 北京中地英捷物探仪器研究所有限公司 | Well temperature logging instrument |
| CN113294140A (en) * | 2021-04-15 | 2021-08-24 | 中石化石油工程技术服务有限公司 | Perforation tensiometer |
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Application publication date: 20130501 |
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