CN104912544A - Downhole temperature and pressure parameter detection system and method for oil-gas well - Google Patents
Downhole temperature and pressure parameter detection system and method for oil-gas well Download PDFInfo
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- CN104912544A CN104912544A CN201510289913.4A CN201510289913A CN104912544A CN 104912544 A CN104912544 A CN 104912544A CN 201510289913 A CN201510289913 A CN 201510289913A CN 104912544 A CN104912544 A CN 104912544A
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Abstract
The application discloses a downhole temperature and pressure parameter detection system and method for an oil-gas well. The downhole temperature and pressure parameter detection system comprises a downhole tool string and a signal receiving device located on the ground, wherein the downhole tool string comprises a parameter detection device and a battery module used for supplying a power supply for the parameter detection device; the parameter detection device comprises a temperature and pressure sensor, a data acquisition processor and an electromagnetic wave generator; the signal receiving device comprises a modem and a data presentation device; the electromagnetic wave generator is used for generating alternating pulses corresponding to strata temperature and pressure data and transmitting the alternating pulses to the modem in a wireless transmission manner; and the modem is used for demodulating signals, restoring to obtain corresponding strata temperature and pressure data and presenting the data to the outside through the data presentation device. The data presentation device on the ground can promptly present the downhole strata temperature and pressure data to workers on the ground, so that the timeliness for the workers to acquire downhole data parameters is improved.
Description
Technical field
The present invention relates to oil and gas well testing technical field, particularly a kind of Oil/gas Well downhole temperature pressure parameter detection system and method.
Background technology
Oil/gas Well is being carried out in the process of exploration and development, staff needs to carry out analysis to related data parameters such as the temperature and pressures of down-hole and judges, indirectly to understand the operating mode of down-hole, thus make and when close Oil/gas Well or when open the corresponding operating decision such as Oil/gas Well.
Mainly adopt memory electronic pressure gauge to gather in prior art and record the data parameters such as the temperature and pressure of down-hole.But, ground staff will expect the data parameters such as said temperature and pressure, memory electronic pressure gauge is needed to put forward the rear data parameters that just can obtain being correlated with from down-hole, then obtain corresponding operating decision according to above-mentioned data parameters, and downhole data parameter corresponding before and after memory electronic pressure gauge puts forward from down-hole is likely different.Visible, in prior art, ground staff cannot obtain the data parameters collected in down-hole in time, thus have impact on validity and the accuracy of operating decision.
Can find out in sum how to improve the ageing of the downhole data parameter of staff's acquisition, thus the validity of raising operating decision and accuracy are current problem demanding prompt solutions.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of Oil/gas Well downhole temperature pressure parameter detection system and method, improve the ageing of the downhole data parameter of staff's acquisition, thus improve validity and the accuracy of operating decision.Its concrete scheme is as follows:
A kind of Oil/gas Well downhole temperature pressure parameter detection system, comprises underground tool string and the signal receiving device being positioned at ground; Described underground tool string comprises parameter detection device and for providing the battery modules of power supply for described parameter detection device; Described parameter detection device comprises temperature and pressure transmitter, data collection processor and electromagnetic wave generator; Described signal receiving device comprises modem and data presenting apparatus;
Described temperature and pressure transmitter, for detecting the formation temperature of down-hole target monitoring layer and strata pressure, obtains corresponding formation temperature pressure signal;
Described data collection processor, for according to the data collection cycle preset, periodically gathers the formation temperature pressure signal that described temperature and pressure transmitter detects, obtains corresponding formation temperature pressure data;
Described electromagnetic wave generator, for receiving the described formation temperature pressure data of described data collection processor transmission, generate the alternating impulse corresponding with described formation temperature pressure data, and by wireless transmission method, described alternating impulse is sent to described modem;
Described modem, for carrying out signal receiving process to described alternating impulse, reduction obtains corresponding formation temperature pressure data, and by described data presenting apparatus, outwardly presents these data.
Preferably, the outside of described electromagnetic wave generator is coated with thermal insulation material and pressure-resistant material.
Preferably, one end of described underground tool string is connected with the first centralizer, and the other end is connected with the second centralizer.
Preferably, described temperature and pressure transmitter is electronic pressure gauge.
Preferably, described data presenting apparatus is display device.
Preferably, described signal receiving device also comprises work information generation module;
Described work information generation module, the formation temperature pressure data obtained is reduced for obtaining described modem, utilize the corresponding relation of parameter and the operating mode preset, determine the work information of the current down-hole corresponding with the formation temperature pressure data that described reduction obtains, and by described data presenting apparatus, outwardly present described work information.
Preferably, described signal receiving device also comprises decision information generation module;
Described decision information generation module, for obtaining the work information that described work information generation module is determined, utilize the corresponding relation of operating mode and the operating decision preset, determine the operating decision information corresponding with described work information, and by described data presenting apparatus, outwardly present described operating decision information.
The invention also discloses a kind of Oil/gas Well downhole temperature pressure parameter detection method, comprising:
The formation temperature of down-hole target monitoring layer and strata pressure are detected, obtains corresponding formation temperature pressure signal;
According to the data collection cycle preset, periodically described formation temperature pressure signal is gathered, obtain corresponding formation temperature pressure data;
Generate the alternating impulse corresponding with described formation temperature pressure data, and by wireless transmission method, described alternating impulse is sent to the signal receiving device being positioned at ground;
Carry out signal receiving process by described signal receiving device to described alternating impulse, reduction obtains corresponding formation temperature pressure data, and outwardly presents these data.
Preferably, described method also comprises:
Utilize the parameter and the corresponding relation of operating mode preset, the work information of the current down-hole that the formation temperature pressure data that obtains of determining to reduce with described signal receiving device is corresponding, and outwardly present described work information.
Preferably, described method also comprises:
Utilize the corresponding relation of operating mode and the operating decision preset, determine the operating decision information corresponding with described work information, and outwardly present described operating decision information.
In the present invention, electromagnetic wave generator in underground tool string can generate the alternating impulse corresponding with formation temperature pressure data, and by wireless transmission method, alternating impulse is sent to the modem being positioned at ground, modem then can carry out signal receiving process to above-mentioned alternating impulse, reduction obtains corresponding formation temperature pressure data, and by data presenting apparatus, outwardly present these data.Visible, in technical scheme disclosed by the invention, the data presenting apparatus rest on the ground can in time for ground staff presents the formation temperature pressure data of down-hole, improve the ageing of the downhole data parameter of staff's acquisition, thus make the operating decision made according to stratum temperature, pressure data have higher validity and accuracy.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is a kind of Oil/gas Well downhole temperature pressure parameter detection system structural representation disclosed in the embodiment of the present invention;
Fig. 2 is a kind of Oil/gas Well downhole temperature pressure parameter detection method flow chart disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of Oil/gas Well downhole temperature pressure parameter detection system, shown in Figure 1, this system comprises underground tool string 11 and is positioned at the signal receiving device 12 on ground; Underground tool string 11 comprises parameter detection device 111 and for providing the battery modules 112 of power supply for parameter detection device 111; Parameter detection device 111 comprises temperature and pressure transmitter 1111, data collection processor 1112 and electromagnetic wave generator 1113; Signal receiving device 12 comprises modem 121 and data presenting apparatus 122;
Temperature and pressure transmitter 1111, for detecting the formation temperature of down-hole target monitoring layer and strata pressure, obtains corresponding formation temperature pressure signal;
Data collection processor 1112, for according to the data collection cycle preset, periodically gathers the formation temperature pressure signal that temperature and pressure transmitter 1111 detects, obtains corresponding formation temperature pressure data;
Electromagnetic wave generator 1113, for receiving the formation temperature pressure data that data collection processor 1112 transmits, generating the alternating impulse corresponding with formation temperature pressure data, and by wireless transmission method, alternating impulse being sent to modem 121;
Modem 121, for carrying out signal receiving process to alternating impulse, reduction obtains corresponding formation temperature pressure data, and by data presenting apparatus 122, outwardly presents these data.
In the present embodiment, in order to reduce the formation temperature of down-hole and strata pressure to the harmful effect of electromagnetic wave generator 1113, improve the depth of falling well of electromagnetic wave generator 1113, the outside of electromagnetic wave generator 1113 is coated with thermal insulation material and pressure-resistant material, is extended downhole data parameter thus from downhole transmitted to the distance on ground.
Above-mentioned underground tool string 11 by moving in sleeve pipe, to realize going into the well or the object of upper well.In order to reduce the friction between underground tool string 11 and sleeve pipe, one end of underground tool string 11 is connected with the first centralizer, and the other end is connected with the second centralizer.In order to ensure reliably transferring of underground tool string 11, simultaneously in order to ensure the laser propagation effect of alternating impulse, distance between above-mentioned first centralizer and the second centralizer can be set at least 20 meters, and guarantee that above-mentioned two centralizers are all good with casing-contact, and underground tool string 11 is made to be positioned at the centre position of sleeve pipe.
In addition, preferred temperature and pressure transmitter 1111 is electronic pressure gauge, and preferred data presenting apparatus 122 is display device.
In the embodiment of the present invention, electromagnetic wave generator in underground tool string can generate the alternating impulse corresponding with formation temperature pressure data, and by wireless transmission method, alternating impulse is sent to the modem being positioned at ground, modem then can carry out signal receiving process to above-mentioned alternating impulse, reduction obtains corresponding formation temperature pressure data, and by data presenting apparatus, outwardly present these data.Visible, in technical scheme disclosed by the invention, the data presenting apparatus rest on the ground can in time for ground staff presents the formation temperature pressure data of down-hole, improve the ageing of the downhole data parameter of staff's acquisition, thus make the operating decision made according to stratum temperature, pressure data have higher validity and accuracy.
The embodiment of the invention also discloses another kind of Oil/gas Well downhole temperature pressure parameter detection system, compared to a upper embodiment, in the present embodiment, signal receiving device also comprises work information generation module and decision information generation module; Wherein,
Work information generation module, the formation temperature pressure data obtained is reduced for obtaining modem, utilize the corresponding relation of parameter and the operating mode preset, determine the work information of the current down-hole corresponding with the formation temperature pressure data that reduction obtains, and by data presenting apparatus, outwardly present work information.
Decision information generation module, for obtaining the work information that work information generation module is determined, utilizing the corresponding relation of operating mode and the operating decision preset, determining the operating decision information corresponding with work information, and by data presenting apparatus, outwardly present operating decision information.
In the embodiment of the present invention, work information generation module can determine the work information of the current down-hole corresponding with formation temperature pressure data, decision information generation module can determine the operating decision information corresponding with work information, and by data presenting apparatus, present above-mentioned work information and operating decision information outwardly in real time.Visible, in the present embodiment, by decision information generation module, can automatically generate operating decision information, make the situation of operating decision compared to the mode by artificial judgment, the operating decision information that the present embodiment obtains is more objective, has better reference significance.
The embodiment of the invention also discloses a kind of Oil/gas Well downhole temperature pressure parameter detection method, shown in Figure 2, said method comprises:
Step S201: the formation temperature of down-hole target monitoring layer and strata pressure are detected, obtains corresponding formation temperature pressure signal;
Step S202: according to the data collection cycle preset, periodically formation temperature, pressure signal gathers, and obtains corresponding formation temperature pressure data;
Step S203: generate the alternating impulse corresponding with formation temperature pressure data, and by wireless transmission method, alternating impulse is sent to the signal receiving device being positioned at ground;
Step S204: carry out signal receiving process to alternating impulse by signal receiving device, reduction obtains corresponding formation temperature pressure data, and outwardly presents these data.
In the embodiment of the present invention, the alternating impulse corresponding with formation temperature pressure data can be generated, and by wireless transmission method, alternating impulse is sent to the signal receiving device being positioned at ground, signal receiving device then can carry out signal receiving process to above-mentioned alternating impulse, reduction obtains corresponding formation temperature pressure data, and can outwardly present this data.Visible, in technical scheme disclosed by the invention, the signal receiving device rest on the ground can in time for ground staff presents the formation temperature pressure data of down-hole, improve the ageing of the downhole data parameter of staff's acquisition, thus make the operating decision made according to stratum temperature, pressure data have higher validity and accuracy.
The embodiment of the invention also discloses another kind of Oil/gas Well downhole temperature pressure parameter detection method, relative to a upper embodiment, the present embodiment also comprises: the corresponding relation utilizing parameter and the operating mode preset, the work information of the current down-hole that the formation temperature pressure data that obtains of determining to reduce with signal receiving device is corresponding, and outwardly present work information.
In addition, said method can also comprise, and utilizes the corresponding relation of operating mode and the operating decision preset, determines the operating decision information corresponding with work information, and outwardly present operating decision information.
In the embodiment of the present invention, the work information of the current down-hole corresponding with formation temperature pressure data can be determined, the operating decision information corresponding with work information can also be determined, and present above-mentioned work information and operating decision information outwardly in real time.Visible, the present embodiment can generate operating decision information automatically, makes the situation of operating decision compared to the mode by artificial judgment, and the operating decision information that the present embodiment obtains is more objective, has better reference significance.
Finally, it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above a kind of Oil/gas Well downhole temperature pressure parameter detection system provided by the present invention and method are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. an Oil/gas Well downhole temperature pressure parameter detection system, is characterized in that, comprises underground tool string and the signal receiving device being positioned at ground; Described underground tool string comprises parameter detection device and for providing the battery modules of power supply for described parameter detection device; Described parameter detection device comprises temperature and pressure transmitter, data collection processor and electromagnetic wave generator; Described signal receiving device comprises modem and data presenting apparatus;
Described temperature and pressure transmitter, for detecting the formation temperature of down-hole target monitoring layer and strata pressure, obtains corresponding formation temperature pressure signal;
Described data collection processor, for according to the data collection cycle preset, periodically gathers the formation temperature pressure signal that described temperature and pressure transmitter detects, obtains corresponding formation temperature pressure data;
Described electromagnetic wave generator, for receiving the described formation temperature pressure data of described data collection processor transmission, generate the alternating impulse corresponding with described formation temperature pressure data, and by wireless transmission method, described alternating impulse is sent to described modem;
Described modem, for carrying out signal receiving process to described alternating impulse, reduction obtains corresponding formation temperature pressure data, and by described data presenting apparatus, outwardly presents these data.
2. Oil/gas Well downhole temperature pressure parameter detection system according to claim 1, it is characterized in that, the outside of described electromagnetic wave generator is coated with thermal insulation material and pressure-resistant material.
3. Oil/gas Well downhole temperature pressure parameter detection system according to claim 2, it is characterized in that, one end of described underground tool string is connected with the first centralizer, and the other end is connected with the second centralizer.
4. Oil/gas Well downhole temperature pressure parameter detection system according to claim 3, it is characterized in that, described temperature and pressure transmitter is electronic pressure gauge.
5. Oil/gas Well downhole temperature pressure parameter detection system according to claim 4, it is characterized in that, described data presenting apparatus is display device.
6. the Oil/gas Well downhole temperature pressure parameter detection system according to any one of claim 1 to 5, it is characterized in that, described signal receiving device also comprises work information generation module;
Described work information generation module, the formation temperature pressure data obtained is reduced for obtaining described modem, utilize the corresponding relation of parameter and the operating mode preset, determine the work information of the current down-hole corresponding with the formation temperature pressure data that described reduction obtains, and by described data presenting apparatus, outwardly present described work information.
7. Oil/gas Well downhole temperature pressure parameter detection system according to claim 6, it is characterized in that, described signal receiving device also comprises decision information generation module;
Described decision information generation module, for obtaining the work information that described work information generation module is determined, utilize the corresponding relation of operating mode and the operating decision preset, determine the operating decision information corresponding with described work information, and by described data presenting apparatus, outwardly present described operating decision information.
8. an Oil/gas Well downhole temperature pressure parameter detection method, is characterized in that, comprising:
The formation temperature of down-hole target monitoring layer and strata pressure are detected, obtains corresponding formation temperature pressure signal;
According to the data collection cycle preset, periodically described formation temperature pressure signal is gathered, obtain corresponding formation temperature pressure data;
Generate the alternating impulse corresponding with described formation temperature pressure data, and by wireless transmission method, described alternating impulse is sent to the signal receiving device being positioned at ground;
Carry out signal receiving process by described signal receiving device to described alternating impulse, reduction obtains corresponding formation temperature pressure data, and outwardly presents these data.
9. Oil/gas Well downhole temperature pressure parameter detection method according to claim 8, is characterized in that, also comprise:
Utilize the parameter and the corresponding relation of operating mode preset, the work information of the current down-hole that the formation temperature pressure data that obtains of determining to reduce with described signal receiving device is corresponding, and outwardly present described work information.
10. Oil/gas Well downhole temperature pressure parameter detection method according to claim 9, is characterized in that, also comprise:
Utilize the corresponding relation of operating mode and the operating decision preset, determine the operating decision information corresponding with described work information, and outwardly present described operating decision information.
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| CN117967288A (en) * | 2024-04-01 | 2024-05-03 | 上海达坦能源科技股份有限公司四川分公司 | Underground pressure monitoring system and method for oil and gas field |
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