CN201635718U - Stratified flow pressure and flow instrument - Google Patents
Stratified flow pressure and flow instrument Download PDFInfo
- Publication number
- CN201635718U CN201635718U CN2010200196705U CN201020019670U CN201635718U CN 201635718 U CN201635718 U CN 201635718U CN 2010200196705 U CN2010200196705 U CN 2010200196705U CN 201020019670 U CN201020019670 U CN 201020019670U CN 201635718 U CN201635718 U CN 201635718U
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- flow
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- inlet pipe
- water inlet
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Abstract
A stratified flow pressure and flow instrument comprises a cable socket, an instrument body, a water inlet pipe, a guidance key, a sensor base, a battery protective drum, a guide cone, an upper pressure transmitting hole and a lower pressure transmitting passage which are connected sequentially. A retrievable arm, an upper pressure probe and a water nozzle butt component are arranged in the instrument body, the water inlet pipe is connected with the retrievable arm, a first ultrasonic wave probe and a second ultrasonic wave probe are sequentially arranged in the water inlet pipe, the lower end of the water inlet pipe is connected with the guidance key which is hermetically connected with the sensor base, a temperature sensor and a lower pressure sensor are respectively arranged in the sensor base, the sensor base is in sealing connection with a circuit protective tube, a circuit device is disposed in the circuit protective tube, the lower end of the circuit protective tube is connected to the battery protective drum, a battery short section is disposed in the battery protective drum, the lower end of the battery protective drum is connected with the guide cone, the upper pressure transmitting hole is communicated with the upper pressure sensor, and the lower pressure transmitting passage is communicated with the lower pressure sensor. The instrument utilizes ultrasonic wave velocity measurement principle, solves problems of wear of mechanical parts and damage of movable components, is unaffected by underground liquid impurities and impact of high pressure environment, and has reliable and stable performance.
Description
Technical field
The utility model relates to a kind of stratified flow that can carry out testing seal about packer, strata pressure measurement and flow measurement simultaneously and presses flow instrument.
Background technology
The water injection well in oil fields downhole packer causes the water filling failure along with the time can lose efficacy, and packer sealing is intact to be the guarantee of water filling success in the oilfield development process; Measurement monitoring to each layer injection flow helps each layer water injection rate understood, and can be used as the foundation of adjusting water injection parameter; Measurement monitoring to each strata pressure helps the analysis to strata condition.The effect of stratified flow baric flow tester is measured each strata pressure and injection flow simultaneously at the checking sealing of packer state exactly, instructs oil-field flooding work.
At present, adopted more in domestic oil field is the work of testing envelope separately and measuring each stressor layer, flow, and the shortcoming of existence is: need multiple instrument, carry out repeatedly underground work, waste time and energy.
Another kind of situation is various instruments such as pulling arm, separate stratum pressure gauge, flow meter to be serially connected one carry out underground work and finish above-mentioned work, the shortcoming that exists is: need multiple instrument, the instrument that is connected in series is long be difficult for transferring and on carry, instrumentation complexity, reliability are not high.
The utility model content
The technical problem of solution of the present utility model is once to carry out multiple well testing operations such as testing seal about packer, strata pressure and flow measurement, has saved manpower and materials greatly, increases work efficiency; Defective such as overcome that instrument is long in the existing multiple instrument polyphone technology, instrumentation is complicated and reliability is low.
Technical solution of the present utility model is:
Flow instrument is pressed in a kind of stratified flow, comprises the rope socket that connects successively; Apparatus subject wherein is disposed with pulling arm, upward pressure probe, the water nozzle joint unit in the apparatus subject; The water inlet pipe that is connected with the pulling main body wherein is disposed with first ultrasonic probe and second ultrasonic probe in the water inlet pipe; The water inlet pipe lower end connects the feather key part; Feather key partly is sealedly connected with the sensor pedestal, and being provided with in the sensor pedestal has temperature pick up, lower pressure sensor respectively, and the sensor pedestal is sealably coupled to the circuit pillar, and circuit pillar inside is provided with circuit arrangement; The circuit pillar lower end battery casing that is tightly connected, battery casing inside is provided with the battery pipe nipple; Battery casing lower end connects starting taper; Communicating with the upward pressure sensor is provided with pressure transmission hole, and communicating with lower pressure sensor is provided with down the pressure transmission passage.
Above-mentioned upward pressure sensor is by water nozzle and stratum fluid connection; Fluid connection in described lower pressure sensor and the oil pipe.
Above-mentioned pressure transmission hole is good to be arranged on water nozzle joint unit center, so that after the sealing of water nozzle joint unit and water nozzle docks, by water nozzle strata pressure is passed to the upward pressure sensor; The pressure transmission passage of described lower pressure sensor is good with the side that is arranged at the sensor pedestal, so that tubing pressure is passed to lower pressure sensor.
First ultrasonic probe and second ultrasonic probe in the above-mentioned water inlet pipe are flow measuring sensor.
Above-mentioned wherein water inlet pipe is connected with the feather key part.
The utility model flow measurement partly adopts the non-collective flow formula to measure the principle of flow, and the method for measuring center flow velocity is measured flow.
The utility model can record a plurality of data such as flow, two pressure, temperature simultaneously, can once carry out multiple well testing operations such as testing seal about packer, strata pressure and flow measurement.
Advantage of the present utility model is:
1, layout is reasonable, and frame for movement is simple, is easy to safeguard.
2, the replacing of battery is very easy, and the novel battery pipe nipple is installed in the battery casing, when carrying out battery altering at the scene, need not take instrument apart, is easy to safeguard.
3, the ultrasonic wave measuring principle is adopted in the instrument flow measurement, does not have mechanical part wearing and tearing and the impaired problem of moveable element, is not subjected to down-hole liquid impurity and impacting with high pressure ambient influnence, and is stable and reliable for performance.
4, adopt lithium battery power supply, need not the manual discharge and activate, low in energy consumption, the working time is long.
5, can record a plurality of data such as flow, two pressure, temperature simultaneously, can once carry out multiple well testing operations such as testing seal about packer, strata pressure and flow measurement, save manpower and materials.
6, be mainly used in the water injection well in oil fields downhole packer and test multiple well testing operations such as envelope, strata pressure measurement and flow measurement, can be to the automatic measurement and the storage of each formation flow rate of down-hole, pressure, temperature, the also dynamically flow of follow-on test down-hole, pressure, directly be connected by communication apparatus with computer, carry out communication, with the well yield gathered, pressure data playback process on computers, can obtain each strata pressure, flow, temperature data and judge the downhole packer state and export the result, show and print according to flow, pressure data.Adopt the mass storage of expansion, energy safe storage Large Volume Data can satisfy repeatedly continuous operation and use.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 installs and uses schematic diagram for the utility model.
Description of reference numerals: 1-rope socket, 2-apparatus subject, 3-pulling arm, 4-upward pressure probe, 5-upward pressure pressure transmission passage, 6-water nozzle joint unit, 7-first ultrasonic probe, 8-water inlet pipe, 9-second ultrasonic probe, 10-feather key part, 11-sensor pedestal, 12-temperature pick up, the 13-lower pressure sensor, 14-downforce pressure transmission passage, 15-circuit pillar, the 16-circuit arrangement, 17-battery casing, 18-battery pipe nipple, the 19-starting taper, 20-seating nipple main body, the flow instrument main body is pressed in the 21-stratified flow, 22-strata pressure measuring section, 23-water nozzle, 24-flow measurement section, the 25-guide section, 26-tubing pressure and temperature measuring section, 27-circuit section, 28-powered battery section.
The specific embodiment
Referring to Fig. 1, it is a kind of multiple well testing operation instruments such as testing seal about packer, strata pressure and flow measurement that are used for once carrying out that flow instrument is pressed in stratified flow.Comprise the rope socket 1 that connects successively; Apparatus subject 2 wherein is disposed with pulling arm 3, upward pressure probe 4, water nozzle joint unit 6 in the apparatus subject 2; The water inlet pipe 8 that is connected with pulling main body 2 wherein is disposed with first ultrasonic probe 7 and second ultrasonic probe 9 in the water inlet pipe 8; Water inlet pipe 8 lower ends connect feather key part 10; Feather key part 10 is sealedly connected with sensor pedestal 11, be provided with in the sensor pedestal 11 temperature pick up 12 is arranged respectively, lower pressure sensor 13, sensor pedestal 11 is sealably coupled to circuit pillar 15, circuit pillar 15 inside are provided with circuit arrangement 16; The circuit pillar 15 lower ends battery casing 17 that is tightly connected, battery casing 17 inside are provided with battery pipe nipple 18; Battery casing 17 lower ends connect starting taper 19; Communicating with upward pressure sensor 4 is provided with pressure transmission hole 5, and communicating with lower pressure sensor 13 is provided with down pressure transmission passage 14.
The utility model is implemented by following three steps in use.
The first step is at first given in the instrument by computer and is write operating schedule, connects instrument by schematic diagram 1 then.Instrument is started working, and as Fig. 2, powered battery section 28 is used for to circuit section 27 power supply, and circuit section 27 is used for drivingly stressor layer measuring section 22 to carry out strata pressure and measure; Tubing pressure and temperature measuring section 26 are carried out tubing pressure, temperature survey; Also first ultrasonic probe 7 and second sonac 9 emissions of drive installation in flow measurement section 24 are ultrasonic simultaneously; The stratum that measures and tubing pressure data, temperature data, two ultrasonic wave phase difference and velocity of sound data that sonac receives, deposit in the memory of circuit section 27 then.
Second step was positioned over instrument in the water injection well through lubricator integral body by special steel wire, was put into the basecoat that water injection well will be measured always.Water nozzle joint unit 6 is correctly docked with water nozzle 23 in the seating nipple 20, carry out each layer measurement.As shown in Figure 2, strata pressure measuring section 22 is measured strata pressure: correctly dock with water nozzle 23 after water nozzle joint unit 6 is led in seating nipple 20 by feather key part 10, upward pressure sensor 4 is by upward pressure pressure transmission passage 5 and water nozzle 23 and stratum fluid connection, and the pressure transmission hole 5 of upward pressure sensor 4 is middle for good with the below that is arranged at water nozzle joint unit 6; Tubing pressure and temperature measuring section 26 are measured tubing pressure and temperature: lower pressure sensor 13 is by downforce pressure transmission passage 14 and oil pipe fluid connection.The pressure transmission passage 14 of lower pressure sensor 13 is good with the side that is arranged at sensor pedestal 11.The flow that flow measurement section like this 24 is measured in the pit shaft, strata pressure measuring section 22 is measured strata pressure, pressure, temperature that tubing pressure and temperature measuring section 26 are measured in the oil pipe.Stratified flow presses flow instrument in real time downhole flow, stratum and tubing pressure, temperature to be measured automatically and stored.Stratified flow presses the flow instrument flow measurement to adopt the sound wave measuring principle, utilizes ultrasonic wave phase difference value measuring center flow velocity.Finish the measurement that can continue next layer position after the measurement of a layer position, press flow instrument to propose water injection well stratified flow after all finishing measurement.
The 3rd step, instrument directly is connected with computer by communication apparatus, carry out communication, with the well yield data of gathering, pressure data, temperature data playback process on computers, obtain the stratum of each layer and tubing pressure, flow, temperature data, can also judge each packer state of down-hole according to flow, the pressure data of each layer.Demonstration, print data curve, data sheet or test sealed knot opinion then.
Claims (5)
1. flow instrument is pressed in a stratified flow, it is characterized in that: comprise the rope socket (1) that connects successively; Apparatus subject (2) wherein is disposed with pulling arm (3), upward pressure probe (4), water nozzle joint unit (6) in the apparatus subject (2); The water inlet pipe (8) that is connected with pulling main body (2) wherein is disposed with first ultrasonic probe (7) and second ultrasonic probe (9) in the water inlet pipe (8); Water inlet pipe (8) lower end connects feather key part (10); Feather key part (10) is sealedly connected with sensor pedestal (11), be provided with in the sensor pedestal (11) temperature pick up (12), lower pressure sensor (13) are arranged respectively, sensor pedestal (11) is sealably coupled to circuit pillar (15), and circuit pillar (15) inside is provided with circuit arrangement (16); Circuit pillar (15) the lower end battery casing (17) that is tightly connected, battery casing (17) inside is provided with battery pipe nipple (18); Battery casing (17) lower end connects starting taper (19); Communicating with upward pressure sensor (4) is provided with pressure transmission hole (5), and communicating with lower pressure sensor (13) is provided with down pressure transmission passage (14).
2. flow instrument is pressed in described stratified flow according to claim 1, and it is characterized in that: described upward pressure sensor (4) is by water nozzle and stratum fluid connection; Fluid connection in described lower pressure sensor (13) and the oil pipe.
3. press flow instrument according to the described stratified flow of claim 1, it is characterized in that: described pressure transmission hole (5) is arranged on water nozzle joint unit center, so as water nozzle joint unit and water nozzle seal dock after, by water nozzle strata pressure is passed to upward pressure sensor (4); The pressure transmission passage (14) of described lower pressure sensor (13) is arranged at the side of sensor pedestal (11), so that tubing pressure is passed to lower pressure sensor (13).
4. flow instrument is pressed in described stratified flow according to claim 1, it is characterized in that: first ultrasonic probe (7) and second ultrasonic probe (9) in the described water inlet pipe (8) are flow measuring sensor.
5. flow instrument is pressed in described stratified flow according to claim 1, it is characterized in that: described water inlet pipe (8) is connected with feather key part (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200196705U CN201635718U (en) | 2010-01-12 | 2010-01-12 | Stratified flow pressure and flow instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200196705U CN201635718U (en) | 2010-01-12 | 2010-01-12 | Stratified flow pressure and flow instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635718U true CN201635718U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200196705U Expired - Lifetime CN201635718U (en) | 2010-01-12 | 2010-01-12 | Stratified flow pressure and flow instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201635718U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215405A (en) * | 2013-06-03 | 2014-12-17 | 中国石油天然气股份有限公司 | Seal examining method and tool for separate injection well packer |
| CN108729906A (en) * | 2018-06-07 | 2018-11-02 | 西南石油大学 | A kind of hypotonic tight gas reservoir improvement backward modified isochronal test method |
| CN112065363A (en) * | 2020-10-10 | 2020-12-11 | 成都中油翼龙科技有限责任公司 | Water injection well water absorption profile measuring device and method |
-
2010
- 2010-01-12 CN CN2010200196705U patent/CN201635718U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215405A (en) * | 2013-06-03 | 2014-12-17 | 中国石油天然气股份有限公司 | Seal examining method and tool for separate injection well packer |
| CN108729906A (en) * | 2018-06-07 | 2018-11-02 | 西南石油大学 | A kind of hypotonic tight gas reservoir improvement backward modified isochronal test method |
| CN112065363A (en) * | 2020-10-10 | 2020-12-11 | 成都中油翼龙科技有限责任公司 | Water injection well water absorption profile measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |