CN212508262U - Array probe over-annular oil exploration instrument - Google Patents
Array probe over-annular oil exploration instrument Download PDFInfo
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- CN212508262U CN212508262U CN202021111925.0U CN202021111925U CN212508262U CN 212508262 U CN212508262 U CN 212508262U CN 202021111925 U CN202021111925 U CN 202021111925U CN 212508262 U CN212508262 U CN 212508262U
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Abstract
The utility model belongs to the technical field of equipment in the pit, especially, relate to a novel array probe crosses empty oil exploration appearance of ring. The device comprises a cable head, a magnetic positioner, a well temperature instrument, a probe type oil droplet bubble detector, a turbine flowmeter, a flow collecting umbrella, a driving motor and a lead-in head which are arranged in sequence from top to bottom; a liquid outlet is arranged at the upper part of the probe type oil droplet bubble detector; thereby realize under the normal production condition of beam-pumping unit, through the instrument under the annular space plays, acquire the liquid production volume and the oil production volume of oil well layering to and moisture content information, thereby high-efficient accurate realization, the oil is looked for to continuous phase high moisture oil well, and the accuracy is higher, and it is more convenient to use.
Description
Technical Field
The utility model belongs to the technical field of equipment in the pit, especially, relate to a novel array probe crosses annular and plays oil exploration appearance of high moisture oil well output profile test of technology down.
Background
At present, old oil fields developed by water injection enter an extra-high water cut period for oil extraction, water is a continuous phase in a shaft, the oil yield of a single layer is extremely low, and the production state is unstable, so that various traditional water detectors such as capacitance type, impedance type, coaxial phase and the like are limited by the principle of a method, and the resolution capability and the potential layer identification in the high water cut wells are difficult.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel array probe crosses empty oil detection appearance of ring has solved the water detection appearance among the prior art and has looked for oil inefficiency, the poor technological problem of accuracy to the high water containing well of continuous phase.
In order to achieve the purpose, the utility model provides an array probe hollow oil exploration instrument, which is provided with a cable head, a magnetic positioner, a well temperature instrument, a probe type oil droplet bubble detector, a turbine flowmeter, a flow collecting umbrella, a driving motor and a lead-in head from top to bottom in sequence; a liquid outlet is arranged at the upper part of the probe type oil droplet bubble detector; the magnetic positioner, the well temperature instrument, the probe type oil bubble detector, the turbine flowmeter and the driving motor are arranged in the instrument cylinder, and the liquid inlet is arranged at the bottom of the instrument cylinder in the flow collecting area of the flow collecting umbrella.
Furthermore, the collector umbrella is a cloth umbrella type collector umbrella.
Further, the turbine flowmeter is used for measuring the total flow of the fluid; the probe type oil drop bubble detector is used for measuring the yield of oil and gas in fluid, and the total amount of the oil and gas is taken as oil mass calculation because the gas amount in the downhole fluid of the high-water-content oil well is small; the magnetic locator is used for measuring depth information; the well temperature instrument is used for measuring temperature information.
Furthermore, the array probe measures that water in the well is a continuous phase in the shaft through the annular oil exploration instrument.
The utility model discloses compare prior art's beneficial effect is: measuring total flow information of liquid through a turbine flowmeter, and measuring the yield of oil gas in the fluid through a probe type oil droplet bubble detector; the magnetic locator is used for measuring depth information; the well temperature instrument is used for measuring temperature information; thereby realize under the normal production condition of beam-pumping unit, through the instrument of annular space tripping, obtain the total output and the oil production volume of oil well layering, through calculating to obtain each layer output and moisture content information to the high accurate oil finding of continuous phase high moisture oil well of having realized of high efficiency, the accuracy is higher, and it is more convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic circuit structure diagram of the probe-type oil droplet bubble detector of the present invention.
Description of reference numerals: 1. a cable; 2. a cable head; 3. a magnetic locator; 4. a well temperature gauge; 5. a well temperature gauge; 6. a probe type oil droplet bubble detector; 7. a turbine sensor meter; 8. a manifold umbrella; 9. a drive motor; 10. a lead-in head; 11. an instrument cartridge; 12. and (4) a liquid inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An array probe through-annulus oil exploration instrument is sequentially provided with a cable head, a magnetic positioner, a well temperature instrument, a probe type oil droplet bubble detector, a turbine flowmeter, a flow collecting umbrella, a driving motor and a leading-in head from top to bottom; a liquid outlet is arranged at the upper part of the probe type oil droplet bubble detector; the magnetic positioner, the well temperature instrument, the probe type oil droplet bubble detector, the turbine flowmeter and the driving motor are arranged in the instrument cylinder, and the liquid inlet is arranged at the bottom of the instrument cylinder in the current collecting area of the current collecting umbrella.
The turbine flowmeter is used for measuring the total flow of the fluid; the probe type oil droplet bubble detector is used for measuring the oil production of the fluid; the magnetic locator is used for measuring depth information; the well temperature instrument is used for measuring temperature information.
In the using process, an instrument string is placed down through an annular space between oil and a casing, under the normal production condition of an oil pumping well, a first detection point, namely the total output and the oil and gas yield of the whole well, is collected at the top of a perforation layer of the oil well, the water content information is calculated to serve as a reference, then the relevant information of each interlayer point below is collected in sequence, and the water yield, the oil yield and the water content of each small layer are calculated through a successive subtraction method to obtain a production profile achievement diagram. Therefore, the oil detection of the continuous phase high water content oil well is realized efficiently and accurately, and the accuracy is higher.
In embodiment 1, as shown in fig. 1, the array probe transit environment control oil detection instrument is provided with a cable head 2, a magnetic positioner 3, a well temperature instrument 4, a probe type oil droplet bubble detector 6, a turbine flowmeter 7, a manifold umbrella 8, a driving motor 9 and a lead-in head 10 from top to bottom in sequence; a liquid outlet 5 is arranged at the upper part of the probe type oil droplet bubble detector 6; the magnetic positioner 3, the well temperature instrument 4, the probe type oil droplet bubble detector 6, the turbine flowmeter 7 and the driving motor 9 are arranged in an instrument cylinder 11, and the liquid inlet 12 is arranged at the bottom of the instrument cylinder 11 in the current collecting area of the current collecting umbrella 8. The cable head 2 is in threaded connection with an instrument cylinder 11 on the outer side of the magnetic positioner 3, and is sealed by a sealing rubber ring. The magnetic locator 3 is used to measure depth information and provide a reference for controlling the depth of detection by forming a depth profile. The instrument cylinder 11 lower part joint well temperature appearance 4 of the outside portion of magnetic locator 3 is used for measuring the temperature of each layer, probe-type oil droplet bubble detector 6 sets up the lower part at well temperature appearance 4, realize fixed connection through the screw thread between the instrument cylinder 11, the bottom of probe-type oil droplet bubble detector 6 is provided with turbine flowmeter 7, fluid gets into from inlet 12 of the bottom of instrument cylinder 11 in the mass flow district of mass flow umbrella 8, after turbine flowmeter 7 flows through, turbine flowmeter 7 detects total flow information, after it passes through probe-type oil bubble detector 6, probe-type oil bubble detector 6 detects its moisture content information, thereby calculate the moisture content, oil yield and the moisture content information of this layer according to the testing result. And then, sequentially detecting each layer of the lower part, and calculating the water yield, the oil yield and the water content of each layer by a subtraction method to obtain an oil production profile result table and an oil production profile layering test oil finding result diagram.
The outer diameter of the array probe over-ring control oil detector has two specifications of 22mm and 20 mm.
The turbine flowmeter 7 measures the total flow; total flow measurement Range (0.4-)—40.0)m3(ii) a Error is +/-5%; the turbine assembly is optimally designed, and the metering sensitivity is improved.
The well temperature instrument 4 is a ZH3136 digital well temperature instrument, the temperature measuring range is-10 to 150 ℃, and the resolution is 0.005 ℃; pressure resistance not lower than 60MPa (well depth of 6000 m).
The upper part of the cable head 2 is used for fixedly connecting a cable 1, and the cable 1 is a phi 12.7mm thick cable or a single-core phi 5.6mm and phi 8mm three-core cable, so that the cable is effectively prevented from being wound.
Illustratively, the cable head 2 adopts a seven-core cable head 2.
Illustratively, the circuit transmission mode is a standard Manchester code.
In one embodiment of the present invention, the umbrella manifold 8 is a cloth umbrella type umbrella manifold.
The probe type oil droplet bubble detector 6 has a basic measurement principle circuit as shown in fig. 2: the working principle is that water is a conductor and can be regarded as a passage; the oil droplet bubble is an insulator and is considered an open circuit. The sensor is composed of a group of probes, and RA, RB, RC and the like are probes of the instrument. Under the condition that water is a continuous phase, when no oil droplet bubbles exist, the resistance value of the probe to the ground is low, and the potential of the point A is low; when the probe contacts the oil droplet bubble, the resistance value to the ground is increased, the potential of the point A is also increased, thus a pulse is formed at the point A, and the height and the width of the pulse can reflect the size of the oil droplet bubble.
Other potential points (B, C … N) are the same as point A, and as the liquid in the well is flowing, the oil droplet bubbles can not stay on the probe for a long time, and the instrument can detect the flowing oil droplet bubbles as long as the flowing oil droplet bubbles touch the probe. The relevant functional relationship can be established by processing the experimental data through laboratory calibration and applying a statistical method, and the oil yield is finally obtained by calculating the pulse width and the number generated by the oil droplet bubbles detected by all the probes.
The probe type oil droplet bubble detector 6 comprises at least 3 groups of probes connected in parallel and 3 groups of 100k resistors, and each probe is connected with one 100k resistor in series.
The probe type oil droplet bubble detector 6 is fixedly arranged at the lower end of the liquid outlet, oil droplet bubbles passing through the vicinity of the liquid outlet are detected through the probe, collected data are transmitted to the ground through a cable, relevant function relations can be established by processing the test data through laboratory calibration and applying a statistical method, and then the oil yield is finally obtained by calculating the pulse width and the number of the oil droplet bubbles detected by all the probes.
The working principle and the working process are as follows: the embodiment of the utility model provides an array probe is through the logging instrument that ring accuse oil exploration appearance was gone into in the well under oil sheathed tube annular space, is applicable to the bubble flow pumping well machine that water is the continuous phase. The method comprises the steps of putting an instrument into an oil well blowout prevention pipe, connecting an overflow pipe after installing a blowout prevention box, putting the instrument into an annular space of an oil casing after passing through an eccentric test hole of a Christmas tree, putting the instrument through a guide cone of an oil well pump, enabling the instrument to reach a position above a target layer to be measured, opening a flow collecting umbrella 8 by controlling a driving motor 9, respectively measuring oil yield and total output of a first point through a turbine flowmeter 7 and a probe type oil bead bubble detector 6, calculating water yield through the oil yield and the oil yield, obtaining water content, measuring the temperature of the point through a well temperature instrument 4, and measuring the depth of a test point through a magnetic positioner 3; the following measurements at the respective points are performed in the same manner. And respectively calculating the oil production, the water production and the liquid production of each layer by using a successive subtraction method to obtain an oil production profile result table and an oil finding result diagram of a liquid production profile layering test.
The array probe crosses the annular space and looks for oily appearance, and is higher to oil droplet bubble sensitivity, and the test result is more accurate.
This instrument diameter is littleer to the realization is under the beam-pumping unit normal production condition, plays the instrument down through the annular space, acquires the liquid production volume and the oil production volume of oil well layering to and moisture content information, thereby high-efficient accurate realization the oil exploration of continuous phase high moisture oil well, the accuracy is higher, and it is more convenient to use.
The 12.7mm thick cable is matched and connected, so that the cable is convenient to pull up and down and is anti-winding.
The technical problems that the water detection efficiency of the water detection instrument for the continuous phase high water-containing well is low and the accuracy is poor are effectively solved.
The following table is a measurement result table of the array probe passing through the annular oil exploration instrument in the X1-41-3E4 well.
Therefore, the oil content and water content information of each oil-gas layer can be clearly and efficiently obtained, and a basis is provided for adjusting the excavation potential.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an array probe crosses annular space oil exploration appearance which characterized in that: the device is characterized in that a cable head (2), a magnetic positioner (3), a well temperature instrument (4), a probe type oil droplet bubble detector (6), a turbine flowmeter (7), a collector umbrella (8), a driving motor (9) and a lead-in head (10) are arranged from top to bottom in sequence; a liquid outlet (5) is arranged at the upper part of the probe type oil droplet bubble detector (6); the magnetic positioner (3), the well temperature instrument (4), the probe type oil droplet bubble detector (6), the turbine flowmeter (7) and the driving motor (9) are arranged in an instrument cylinder (11), and the liquid inlet (12) is arranged at the bottom of the instrument cylinder (11) in the current collecting area of the current collecting umbrella (8).
2. The array probe through-the-annulus oil exploration instrument as claimed in claim 1, wherein: the collecting umbrella (8) is a cloth umbrella type collecting umbrella.
3. The array probe through-the-annulus oil exploration instrument as claimed in claim 1, wherein: the turbine flowmeter (7) is used for measuring the total flow of the fluid; the probe type oil droplet bubble detector (6) is used for measuring the yield of oil and gas in the high-water-content fluid; the magnetic locator (3) is used for measuring the depth information of the pipe column tool; the well temperature instrument (4) is used for measuring fluid temperature information.
4. The array probe through-the-annulus oil exploration instrument as claimed in any one of claims 1 to 3, wherein: the array probe measures that water in the well is a continuous phase in the shaft through the annular oil exploration instrument.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021111925.0U CN212508262U (en) | 2020-06-16 | 2020-06-16 | Array probe over-annular oil exploration instrument |
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| CN202021111925.0U CN212508262U (en) | 2020-06-16 | 2020-06-16 | Array probe over-annular oil exploration instrument |
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| CN212508262U true CN212508262U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776288A (en) * | 2022-06-21 | 2022-07-22 | 陕西华晨石油科技有限公司 | Multi-probe oil-finding production profile logging instrument |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776288A (en) * | 2022-06-21 | 2022-07-22 | 陕西华晨石油科技有限公司 | Multi-probe oil-finding production profile logging instrument |
| CN114776288B (en) * | 2022-06-21 | 2022-09-16 | 陕西华晨石油科技有限公司 | Multi-probe oil-finding production profile logging instrument |
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