CN103306670A - Formation resistivity measuring instrument and using method thereof - Google Patents
Formation resistivity measuring instrument and using method thereof Download PDFInfo
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- CN103306670A CN103306670A CN2013101740899A CN201310174089A CN103306670A CN 103306670 A CN103306670 A CN 103306670A CN 2013101740899 A CN2013101740899 A CN 2013101740899A CN 201310174089 A CN201310174089 A CN 201310174089A CN 103306670 A CN103306670 A CN 103306670A
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Abstract
The invention relates to an oilfield logging instrument, in particular to a formation resistivity measuring instrument and a using method thereof. The instrument comprises a logging instrument main body. A pair of receivers including an upper receiver and a lower receiver is arranged on the logging instrument main body. The pair of receivers is symmetrically arranged on an axis by taking a compensation transmitter as a center point. At least one measuring signal transmitter is arranged on the outer side of the receivers on the same axis. Each receiver comprises a receiver circuit which can enable the receiver to receive and process compensation and measuring signals. Each measuring signal transmitter comprises a measuring transmitter circuit which can enable the measuring signal transmitter to generate measuring signals. The compensation transmitter comprises a compensation transmitter circuit which can enable the compensation transmitter to generate compensation signals. The formation resistivity measuring instrument realizes the goals of shortening the length of the logging instrument, decreasing the production cost, reducing side effects and improving the measuring accuracy.
Description
Technical field:
The present invention relates to a kind of oil reservoir logging instrument, particularly a kind of formation resistivity measuring apparatus and using method thereof.
Background technology:
At present, existing formation resistivity measuring apparatus all adopts the mode that a pair of emitter is arranged on a pair of receiver both sides, and this will significantly increase the length of measuring apparatus, particularly for the measuring apparatus of multiple depth survey, needs many to emitter.Yet measuring apparatus is longer, and the side effect that causes is just larger, and the length that increases simultaneously logger also can increase cost of production.Signal amplitude and phase error that existing formation resistivity measuring apparatus also exists transmitter and receiver to induce affect certainty of measurement.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of formation resistivity measuring apparatus and using method thereof, and this instrument has been realized shortening logger length, reduces production costs, and reduces side effect, improves certainty of measurement.Having overcome existing measuring apparatus increases logger length, increases cost of production, and side effect is large, the deficiency that certainty of measurement is poor.
The technical solution used in the present invention is: a kind of formation resistivity measuring apparatus comprises tool body; In tool body a pair of receiver is set, namely go up receiver and lower receiver, this puts on an axis symmetric arrays to receiver centered by a compensation transmitter, at least one measuring-signal emitter of the arranged outside of receiver on the same axis, each receiver includes receiver is received, process the receiver circuit of compensation and measuring-signal, each measuring-signal emitter includes the measurand transmitter circuit that can make the measuring-signal emitter produce measuring-signal, compensation transmitter comprises the compensation transmitter circuit that can make compensation transmitter produce compensating signal, the compensation transmitter circuit all is connected with compensating controller with receiver circuit, the measurand transmitter circuit, receiver circuit all is connected with processor with compensating controller.
Upper receiver upper end arranges measuring-signal emitter I.
Measuring-signal emitter I upper end arranges measuring-signal emitter II.
Lower receiver lower end arranges measuring-signal emitter III.
Processor is connected with memory device.
Measurand transmitter, compensation transmitter and receiver also comprise emission or receive at least one antenna of signal.
A kind of using method of formation resistivity measuring apparatus, the method step is as follows: one, the formation resistivity measuring apparatus is placed in the well; Two, compensation transmitter emission compensating signal; Three, utilize the compensating signal of a pair of receiver reception compensation transmitter, the amplitude of metrophia compensation signal and phase place; Four, measuring-signal emitter emission measurement signal; Five, utilize a pair of receiver to receive the measuring-signal of measuring-signal emitter, amplitude and the phase place of measuring-signal are measured; Six, according to the amplitude and phase calculation compensate for amplitude ratio and the compensation differential phase of compensating signal with measuring-signal.
The invention has the beneficial effects as follows: the present invention has been owing to having adopted the mode that compensation transmitter is arranged on a pair of receiver midpoint, thereby shortened logger length, reduces production costs, and reduces side effect, improves certainty of measurement.
Description of drawings:
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation that only has a measuring-signal emitter among the present invention.
Fig. 2 is the structural representation that the measuring-signal emitter of two homonymies arrangements is arranged among the present invention.
Fig. 3 is the structural representation that the measuring-signal emitter of two heteropleurals arrangements is arranged among the present invention.
Fig. 4 is structural representation of the present invention
The specific embodiment:
Such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of formation resistivity measuring apparatus comprises tool body 1; In tool body 1 a pair of receiver is set, namely go up receiver 3 and lower receiver 4, this puts on an axis symmetric arrays to receiver centered by a compensation transmitter 2, at least one measuring-signal emitter of the arranged outside of receiver on the same axis, each receiver includes receiver is received, process the receiver circuit 9 of compensation and measuring-signal, each measuring-signal emitter includes the measurand transmitter circuit 8 that can make the measuring-signal emitter produce measuring-signal, compensation transmitter 2 comprises the compensation transmitter circuit 14 that can make compensation transmitter 2 produce compensating signal, compensation transmitter circuit 14 all is connected with compensating controller 10 with receiver circuit 9, reflection was put into amplitude and the phase error factor that the receiver in the receiver is induced when compensating controller 10 was used for determining compensation transmitter 2 to receiver emission compensating signal, thereby the calibration measurement signal transmitter is reflected to amplitude and the phase error that the receiver in the receiver is induced during to receiver emission measurement signal.Measurand transmitter circuit 8, receiver circuit 9 and compensating controller 10 all are connected with processor 12, processor 12 can help to determine that compensation transmitter 2 is reflected to amplitude and the phase error factor that the receiver in the receiver is induced when transmitting, and the compensate for amplitude ratio after helping receiver computation and measurement signal transmitter to transmit and the compensation differential phase.Processor 12 is connected with memory device 11, and memory device 11 stores transition diagram, is used for compensate for amplitude than being converted to corresponding formation resistivity with the compensation differential phase.Measurand transmitter, compensation transmitter 2 and receiver also comprise emission or receive at least one antenna of signal.
Upper receiver of the present invention 3 upper ends can arrange measuring-signal emitter I 5, as shown in Figure 1.
Upper receiver of the present invention 3 upper ends can arrange measuring-signal emitter I 5, and measuring-signal emitter I 5 upper ends arrange measuring-signal emitter II 6, as shown in Figure 2.
A kind of using method of formation resistivity measuring apparatus, the method step is as follows: one, the formation resistivity measuring apparatus is placed in the well; Two, compensation transmitter 2 emission compensating signals; Three, utilize the compensating signal of a pair of receiver reception compensation transmitter 2, the amplitude of metrophia compensation signal and phase place; Four, measuring-signal emitter emission measurement signal; Five, utilize a pair of receiver to receive the measuring-signal of measuring-signal emitter, amplitude and the phase place of measuring-signal are measured; Six, according to the amplitude and phase calculation compensate for amplitude ratio and the compensation differential phase of compensating signal with measuring-signal.
Be understandable that, above about specific descriptions of the present invention, only for the present invention being described and being not to be subject to the described technical scheme of the embodiment of the invention, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the present invention, to reach identical technique effect; Use needs as long as satisfy, all within protection scope of the present invention.
Claims (7)
1. a formation resistivity measuring apparatus comprises tool body (1); It is characterized in that: in tool body (1) a pair of receiver is set, namely go up receiver (3) and lower receiver (4), this puts on an axis symmetric arrays to receiver centered by a compensation transmitter (2), at least one measuring-signal emitter of the arranged outside of receiver on the same axis, each receiver includes receiver is received, process the receiver circuit (9) of compensation and measuring-signal, each measuring-signal emitter includes the measurand transmitter circuit (8) that can make the measuring-signal emitter produce measuring-signal, compensation transmitter (2) comprises the compensation transmitter circuit (14) that can make compensation transmitter (2) produce compensating signal, compensation transmitter circuit (14) all is connected measurand transmitter circuit (8) with receiver circuit (9) with compensating controller (10), receiver circuit (9) all is connected with processor (12) with compensating controller (10).
2. according to formation resistivity measuring apparatus claimed in claim 1, it is characterized in that: described upper receiver (3) upper end arranges measuring-signal emitter I (5).
3. according to formation resistivity measuring apparatus claimed in claim 2, it is characterized in that: described measuring-signal emitter I (5) upper end arranges measuring-signal emitter II (6).
4. according to formation resistivity measuring apparatus claimed in claim 2, it is characterized in that: described lower receiver (4) lower end arranges measuring-signal emitter III (7).
5. according to formation resistivity measuring apparatus claimed in claim 1, it is characterized in that: described processor (12) is connected with memory device (11).
6. according to formation resistivity measuring apparatus claimed in claim 1, it is characterized in that: described measurand transmitter, compensation transmitter (2) and receiver also comprise emission or receive at least one antenna of signal.
7. using method according to formation resistivity measuring apparatus claimed in claim 1, it is characterized in that: the method step is as follows: one, the formation resistivity measuring apparatus is placed in the well; Two, compensation transmitter (2) emission compensating signal; Three, utilize the compensating signal of a pair of receiver reception compensation transmitter (2), the amplitude of metrophia compensation signal and phase place; Four, measuring-signal emitter emission measurement signal; Five, utilize a pair of receiver to receive the measuring-signal of measuring-signal emitter, amplitude and the phase place of measuring-signal are measured; Six, according to the amplitude and phase calculation compensate for amplitude ratio and the compensation differential phase of compensating signal with measuring-signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101740899A CN103306670A (en) | 2013-05-10 | 2013-05-10 | Formation resistivity measuring instrument and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101740899A CN103306670A (en) | 2013-05-10 | 2013-05-10 | Formation resistivity measuring instrument and using method thereof |
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| CN103306670A true CN103306670A (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101740899A Pending CN103306670A (en) | 2013-05-10 | 2013-05-10 | Formation resistivity measuring instrument and using method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4980642A (en) * | 1990-04-20 | 1990-12-25 | Baroid Technology, Inc. | Detection of influx of fluids invading a borehole |
| US6218842B1 (en) * | 1999-08-04 | 2001-04-17 | Halliburton Energy Services, Inc. | Multi-frequency electromagnetic wave resistivity tool with improved calibration measurement |
| CN102460219A (en) * | 2009-06-02 | 2012-05-16 | 史密斯国际公司 | Borehole compensated resistivity logging tool having an asymmetric antenna spacing |
-
2013
- 2013-05-10 CN CN2013101740899A patent/CN103306670A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4980642A (en) * | 1990-04-20 | 1990-12-25 | Baroid Technology, Inc. | Detection of influx of fluids invading a borehole |
| US6218842B1 (en) * | 1999-08-04 | 2001-04-17 | Halliburton Energy Services, Inc. | Multi-frequency electromagnetic wave resistivity tool with improved calibration measurement |
| CN102460219A (en) * | 2009-06-02 | 2012-05-16 | 史密斯国际公司 | Borehole compensated resistivity logging tool having an asymmetric antenna spacing |
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Application publication date: 20130918 |