CN209510312U - A kind of Multifunctional combined logging instrument for underground geothermal resource exploration - Google Patents
A kind of Multifunctional combined logging instrument for underground geothermal resource exploration Download PDFInfo
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- CN209510312U CN209510312U CN201920157261.2U CN201920157261U CN209510312U CN 209510312 U CN209510312 U CN 209510312U CN 201920157261 U CN201920157261 U CN 201920157261U CN 209510312 U CN209510312 U CN 209510312U
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Abstract
The utility model relates to a kind of equipment of Exploration Domain, especially a kind of Multifunctional combined logging instrument for underground geothermal resource exploration, upper end is equipped with head harness, lower end is equipped with bottom nose, the upper end of telemetering pipe nipple and head harness are socketed, the lower end of high-resolution acoustic measurement instrument connects with bottom ose bag, set has natural gamma survey meter between telemetering pipe nipple and high-resolution acoustic measurement instrument, highly sensitive ground temperature survey meter, continuous deviational survey-caliper logging instrument, three sides are to resistivity measuring instrument, natural gamma survey meter, highly sensitive ground temperature survey meter, continuous deviational survey-caliper logging instrument and three sides can be adjusted to the relative position of resistivity measuring instrument, highly sensitive ground temperature survey meter is equipped with high sensitivity temperature sensor, it can accurately ground-to-ground the abnormal high temperature data of layer be acquired.
Description
Technical field
The utility model relates to a kind of equipment of Exploration Domain, especially a kind of multi-functional group for underground geothermal resource exploration
Close logging instrument.
Background technique
In geothermal exploration development process, logs well to exploitation stratum using Geophysical Logging and can obtain ground
Layer physical parameter, these parameters include formation rock conduction property, rock elasticity, rock Atomic Physics property etc., to carry out
The establishment of the development plan of subsequent geothermal energy resources.Drilling engineering parameter can be obtained by well logging simultaneously.
The instrument and equipment that existing geothermal exploration well logging is typically directly logged well using petroleum geophysics, although in certain journey
The demand of geothermal exploitation is met on degree, but since there are abnormal high temperatures in geothermal exploration, oil well logging instrument is not
The demand of geothermal exploitation well logging can be fully met.In order to which professional geothermal exploration development logging operation is unfolded, adapt it to ground
The acquisition demand of heat exploitation relevant parameter, needs to develop a set of logging equipment dedicated for underground geothermal resource exploration exploitation.
Utility model content
Underground heat can not be fully met purpose of the utility model is to solve oil well logging instrument in the prior art to open
The problem of sending out the demand of well logging, provides a kind of Multifunctional combined logging instrument for underground geothermal resource exploration.
To realize the above-mentioned technical purpose, the utility model uses following technical scheme:
A kind of Multifunctional combined logging instrument for underground geothermal resource exploration, including head harness, telemetering pipe nipple, high-resolution sound
Wave measurement instrument and bottom nose, head harness and telemetering pipe nipple are socketed, and the high-resolution acoustic measurement instrument connects with bottom ose bag, the telemetering
Natural gamma survey meter, highly sensitive ground temperature survey meter, continuous is additionally provided between pipe nipple and the high-resolution acoustic measurement instrument
To resistivity measuring instrument, the high sensitivity ground temperature survey meter is equipped with highly sensitive temperature sensing for deviational survey-caliper logging instrument, three sides
Device, natural gamma survey meter, highly sensitive ground temperature survey meter, continuous deviational survey-caliper logging instrument and three sides are to resistivity measurement
The relative position of instrument can adjust.
Further, three side is socketed the first insulating short section to resistivity measuring instrument both ends respectively and the second insulation is short
Section.
Further, three side is equipped with three side electrode arrays to resistivity measuring instrument.
Further, the outer wall of the high-resolution acoustic measurement instrument is equipped with the first centralizer, the second centralizer.
Further, the high-resolution acoustic measurement instrument is equipped with sonic system, and sonic system is located at the first centralizer and the second righting
Between device.
Further, the continuous deviational survey-caliper logging instrument outer wall is equipped with mechanical hole diameter backup arm.
Further, the electronic circuit of natural gamma survey meter is equipped in the telemetering pipe nipple.
Compared with the prior art, the utility model has the following beneficial effects:
One, the utility model integrates a variety of detection sensors, and each survey meter is socketed according to certain mode, can be with
It realizes once lower well operations, completes a series of purpose of the acquisition of geophysical parameters, have the characteristics that high timeliness is high-precision；
Two, the utility model is directed to the demand of underground geothermal resource exploration, other than improving instrument performance resistant to high temperature, simultaneously also
It, can the accurate ground-to-ground abnormal high temperature of layer provided with the highly sensitive ground temperature survey meter that a section detects dedicated for geothermal anomaly
Data are acquired；
Three, other than the acquisition to formation parameter, the log datas such as natural gamma, resistivity, interval transit time can be easily
Find reservoir bed in ground；
Four, the outer diameter of combination logging tool is 43mm, can cope with the demand of various deep layers, geothermal exploration.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure, 1- head harness, 2- telemetering pipe nipple, 3- natural gamma survey meter, 4- high sensitivity ground temperature survey meter, 5- are continuous
Deviational survey-caliper logging instrument, the first insulating short section of 6-, tri- side 7- are to resistivity measuring instrument, the second insulating short section of 8-, 9- high-resolution
Acoustic measurement instrument, the bottom 10- nose, 11- high sensitivity temperature sensor, 12- machinery hole diameter backup arm, tri- side electrode array of 13-, 14-
First centralizer, 15- sonic system, the second centralizer of 16-.
Specific embodiment
Explanation is further described to the technical solution of the utility model below by specific embodiment.
As shown in Figure 1, upper end is equipped with the present embodiment provides a kind of Multifunctional combined logging instrument for underground geothermal resource exploration
Head harness 1, lower end are equipped with bottom nose 10.Connect cable on head harness 1, under connect instrument, be the attachment device of cable and instrument.Head harness
Chest-developing bar is installed in 1, is instrument weakness, can be broken when tension reaches a certain level, to protect instrument.Bottom nose 10 guarantees instrument
The leakproofness of device combination.Multiple survey meters, mating route and function pipe nipple are installed between head harness 1 and bottom nose 10, wherein visiting
Survey instrument mainly have telemetering pipe nipple 2, natural gamma survey meter 3, highly sensitive low temperature survey meter, continuous deviational survey-caliper logging instrument 5,
Three sides are to resistivity measuring instrument 7, high-resolution acoustic measurement instrument 9.Function pipe nipple has telemetering pipe nipple 2, insulating short section.
The upper end of telemetering pipe nipple 2 and head harness 1 are socketed, and the lower end of high-resolution acoustic measurement instrument 9 and bottom nose 10 are socketed.It is distant
It surveys pipe nipple 2 and receives the instruction that ground system issues, and terrestrial system sends data.Telemetering pipe nipple 2 and other downhole instruments
Route is linked up by Ethernet protocol, ground control command can be issued particular instrument, to guarantee the work of each instrument.It is high
Resolution ratio acoustic measurement instrument 9 receives compensation using double hairs are double, and the coasting time by measurement sound wave on stratum obtains the hole on stratum
Spend information.
Set has natural gamma survey meter 3, highly sensitive ground temperature between telemetering pipe nipple 2 and high-resolution acoustic measurement instrument 9
Survey meter 4, continuous deviational survey-caliper logging instrument 5, three sides are to resistivity measuring instrument 7.Scinticounting built in natural gamma survey meter 3
Device, the radioactive elements such as U, Th, K in stratum can emit natural gamma rays, and natural gamma survey meter 3 can pass through scintillator
The radioactivity of the native element of the number device record each layer position in underground.Highly sensitive ground temperature survey meter 4 is equipped with high sensitivity temperature sensor
11.Highly sensitive ground temperature survey meter 4 measures formation temperature by external high sensitivity temperature sensor 11, highly sensitive temperature
Degree sensor 11 can guarantee there is quick response the case where mutation to geothermal anomaly, can the accurate ground-to-ground abnormal high temperature of layer
Data are acquired.
Natural gamma survey meter 3, highly sensitive ground temperature survey meter 4, continuous deviational survey-caliper logging instrument 5, three sides are to resistivity
The relative position of measuring instrument 7 can adjust, and only need to guarantee that the upper end of every instrument is socketed in the lower end of other instruments.This reality
It applies example when in use, can be needed to select a part detection project implementation combination logging according to construction, not need to log well every time
Whole survey meters are all connected into use.
Three sides are socketed the first insulating short section 6 to the upper end of resistivity measuring instrument 7, and lower end is socketed the second insulating short section 8.Insulation
Pipe nipple can be such that tool housing part is not turned on, and play insulating effect.Three sides are equipped with three side electrode arrays to resistivity measuring instrument 7
13, as transmitting and focusing electrode system.Three sides to resistivity measuring instrument 7 three lateral electrodes in a manner of laterally focusing to ground
Layer emission current, the response on stratum is flowed through by monitoring current, obtains formation resistivity information.
The outer wall of high-resolution acoustic measurement instrument 9 is equipped with the first centralizer 14, the second centralizer 16.Centralizer makes to combine instrument
It is placed in the middle that wellbore is maintained in well logging.To determine whether that the first centralizer 14 and the second centralizer correctly are installed before going into the well
16.High-resolution acoustic measurement instrument 9 is equipped with sonic system 15, and sonic system 15 is between the first centralizer 14 and the second centralizer 16.Sound
It is 15 using double measurement logic settings for sending out double debits.
Continuous 5 outer wall of deviational survey-caliper logging instrument is equipped with mechanical hole diameter backup arm 12, opens leg by motor switch control and receives
Leg.To ensure that mechanical hole diameter backup arm 12 is in rounding state before going into the well, avoid the occurrence of and be hampered in high level of going into the well.Hole diameter part is
Four arm hole diameters are opened mechanical hole diameter backup arm 12 using mechanical backup mode, can get the hole diameter of x and y both direction, can be according to
This judges borehole environment.The continuous continuous deviational survey function of deviational survey-caliper logging instrument 5 can measure well track slope and orientation simultaneously,
It can get well track information according to this.Combination logging tool outer diameter is 43mm, can cope with the need of various deep layers, geothermal exploration
It asks.
The telemetering pipe nipple 2 of the present embodiment is other than having cable communication function, the also built-in electricity of natural gamma survey meter 3
Sub- circuit pack.Telemetering pipe nipple 2 is communicated by Ethernet protocol and combination other probe portions of instrument, every instrument, pipe nipple
(in addition to insulating short section) has independent IP address, and telemetering pipe nipple 2 can be according to the order that ground issues respectively to each probe portion
It is controlled.The present embodiment is located within telemetering pipe nipple 2 in addition to the electronic circuit of natural gamma survey meter 3, other each pipe nipples,
Instrument has independent detection, control, signal processing and communicating circuit, the order that each section can be issued by telemetering to be switched
The operation of machine, data acquisition process and communication transfer.
Combination logging tool needs to issue out before measuring leg order after shaft bottom, opens mechanical hole diameter backup arm
12.Ground sends logging command downwards, and order is sent to telemetering pipe nipple 2, and telemetering pipe nipple 2 receives order hand and passes through leading between instrument
News open the operating mode of each instrument.In well logging, natural gamma survey meter 3 measures stratum natural gamma radiation information,
Highly sensitive ground temperature survey meter 4 measures ground temperature parameter, and continuous deviational survey-caliper logging instrument 5 measures hole deviation, orientation, hole diameter, three sides to
Resistivity measuring instrument 7 measures formation resistivity, and high-resolution acoustic measurement instrument 9 measures interval transit time information, and above-mentioned each instrument is visited
The information of survey will be sent to telemetering pipe nipple 2, and data are sent to ground system after encoding by telemetering pipe nipple 2.
After the well logging for completing target zone, it can be issued by ground system and receive leg order, telemetering pipe nipple 2 receives order
Continuous deviational survey-caliper logging instrument 5 can be reached under leg order by receiving later, complete the recycling of mechanical hole diameter backup arm 12.Pass through ground
Plane system issues termination logging command, and telemetering pipe nipple 2, which receives to terminate logging command and can issue to each survey meter later, to be stopped
Logging command, combination instrument terminate well logging.
The embodiments of the present invention are described in detail above, for those of ordinary skill in the art, according to
According to thought provided by the utility model, will change in specific embodiment, and these changes also should be regarded as it is practical
Novel protection scope.
Claims (7)
1. a kind of Multifunctional combined logging instrument for underground geothermal resource exploration, including head harness (1), telemetering pipe nipple (2), high-resolution
Rate acoustic measurement instrument (9) and bottom nose (10), head harness (1) and telemetering pipe nipple (2) are socketed, the high-resolution acoustic measurement instrument
(9) it is socketed with bottom nose (10), it is characterised in that:
Natural gamma survey meter (3), height are additionally provided between the telemetering pipe nipple (2) and the high-resolution acoustic measurement instrument (9)
Sensitivity ground temperature survey meter (4), continuous deviational survey-caliper logging instrument (5), three sides are to resistivity measuring instrument (7), the high sensitivity
Ground temperature survey meter (4) is equipped with high sensitivity temperature sensor (11)；
Natural gamma survey meter (3), highly sensitive ground temperature survey meter (4), continuous deviational survey-caliper logging instrument (5) and three sides to
The relative position of resistivity measuring instrument (7) can adjust.
2. the Multifunctional combined logging instrument according to claim 1 for underground geothermal resource exploration, it is characterised in that:
Three side is socketed the first insulating short section (6) and the second insulating short section (8) to the both ends of resistivity measuring instrument (7) respectively.
3. the Multifunctional combined logging instrument according to claim 2 for underground geothermal resource exploration, it is characterised in that: described three
Lateral resistivity measuring instrument (7) is equipped with three side electrode arrays (13).
4. the Multifunctional combined logging instrument according to claim 1 for underground geothermal resource exploration, it is characterised in that: the height
The outer wall of resolution ratio acoustic measurement instrument (9) is equipped with the first centralizer (14), the second centralizer (16).
5. the Multifunctional combined logging instrument according to claim 4 for underground geothermal resource exploration, it is characterised in that: the height
Resolution ratio acoustic measurement instrument (9) is equipped with sonic system (15), sonic system (15) be located at the first centralizer (14) and the second centralizer (16) it
Between.
6. the Multifunctional combined logging instrument according to claim 1 for underground geothermal resource exploration, it is characterised in that: the company
Continuous deviational survey-caliper logging instrument (5) outer wall is equipped with mechanical hole diameter backup arm (12).
7. the Multifunctional combined logging instrument according to claim 1 for underground geothermal resource exploration, it is characterised in that: described distant
It surveys in pipe nipple (2) and is equipped with the electronic circuit of natural gamma survey meter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157261.2U CN209510312U (en) | 2019-01-29 | 2019-01-29 | A kind of Multifunctional combined logging instrument for underground geothermal resource exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157261.2U CN209510312U (en) | 2019-01-29 | 2019-01-29 | A kind of Multifunctional combined logging instrument for underground geothermal resource exploration |
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| Publication Number | Publication Date |
|---|---|
| CN209510312U true CN209510312U (en) | 2019-10-18 |
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ID=68203282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920157261.2U Active CN209510312U (en) | 2019-01-29 | 2019-01-29 | A kind of Multifunctional combined logging instrument for underground geothermal resource exploration |
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| Country | Link |
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| CN (1) | CN209510312U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796735A (en) * | 2021-02-05 | 2021-05-14 | 核工业航测遥感中心 | Logging probe |
| CN118008268A (en) * | 2024-02-02 | 2024-05-10 | 北京中石曙光科技有限公司 | Transmitting circuit and excitation method of micro-resistivity scanning imaging logging instrument |
-
2019
- 2019-01-29 CN CN201920157261.2U patent/CN209510312U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796735A (en) * | 2021-02-05 | 2021-05-14 | 核工业航测遥感中心 | Logging probe |
| CN118008268A (en) * | 2024-02-02 | 2024-05-10 | 北京中石曙光科技有限公司 | Transmitting circuit and excitation method of micro-resistivity scanning imaging logging instrument |
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