CN101042047A - Oil filling method of LWD impulsator - Google Patents
Oil filling method of LWD impulsator Download PDFInfo
- Publication number
- CN101042047A CN101042047A CNA2007100721058A CN200710072105A CN101042047A CN 101042047 A CN101042047 A CN 101042047A CN A2007100721058 A CNA2007100721058 A CN A2007100721058A CN 200710072105 A CN200710072105 A CN 200710072105A CN 101042047 A CN101042047 A CN 101042047A
- Authority
- CN
- China
- Prior art keywords
- oil
- impulse generator
- lwd
- filler pipe
- oil filler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
It relates to an oil filling method using LWD pulse generator. It mainly solves the existing issue of unable to form into mud pressure pulse signal due to the filling of silicon oil. It features in two fast-pulley of the pulse generator for the said LWD pulse generator, a oil filling pipe fast pulley, a weighting pole, a pulling rope, with it fixed on two pulse generator's fast pulleys after connecting with the weighting pole, and the oil filling pipe fixed on its fast pulley after connecting with the pulling rope, hoisting the generator to realize the four way release of inside air to allow it filled with silicon oil. It ensures quality, speed, efficiency and cost.
Description
Technical field:
The present invention relates to a kind of method that is applied in the oil drilling well logging during field, specifically, relating to a kind of is with the oil-filled method of impulse generator of boring in the instrument.
Background technology:
The LWD impulse generator is a kind of abbreviation of well logging during instrument, its operating principle is: the parameters such as hole deviation, orientation, tool-face, formation resistivity and gamma that downhole instrument inserting tube part is measured, through coding, drive the oil charge part of LWD impulse generator, the clamp-pulse generator signal valve stretches in telltale hole.When valve stretched out, the mud of the telltale hole of flowing through raise owing to pressure appears in access denial, forms the mud-pressure pulses signal.Ground installation detects the mud-pressure pulses signal at the standpipe place, through processes such as conversion, decodings, forms the well logging during data at last.But, if impulse generator is oil-filled undesirable, the HTHP of down-hole will cause the signal valve of impulse generator to stop to stretch, and can't form the mud-pressure pulses signal, cause the LWD impulse generator to appear at well head thus signal is arranged, the phenomenon of no signal under the environment of down-hole HTHP.At present on the oil field to the LWD impulse generator carry out oil-filled generally in the following way: the silicone oil of in oil cylinder, packing into, the bottom is stretched out a pipe and is linked to each other with vacuum pump, when oil-filled, start vacuum pump, make oil cylinder inside be negative pressure state, constantly beat impulse generator then, impel air to discharge as early as possible, allow silicone oil charge in the oil-filled chamber of impulse generator with hammer.Through facts have proved; LWD impulse generator after using this oil filling method oil-filled through the phenomenon that the mud-pressure pulses signal takes place to form in regular meeting, is thought thus; there is defective in existing LWD impulse generator oil-extended process, causes the silicone oil in the pulse acoustical generator not to be full of.
Summary of the invention:
Silicone oil in the pulse acoustical generator is filled and the problem that causes to form the mud-pressure pulses signal in order to solve existing LWD impulse generator oil-extended process, the invention provides a kind of oil filling method of new LWD impulse generator, this method adopts pulley to utilize weight linear meter to finish the lifting of impulse generator, improved oil-filled quality and the speed of impulse generator, guarantee drilling efficiency, reduced operating cost.
Technical scheme of the present invention is:
The oil filling method of this new LWD impulse generator is made up of following steps:
At first, be used to support the fixed pulley of impulse generator, a fixed pulley that is used to support oil filler pipe, a weight linear meter, a stay cord for two of described LWD impulse generator configurations as mass;
Then, with described LWD impulse generator be fixed on two impulse generator fixed pulleys after weight linear meter is connected, with the oil filler pipe of described LWD impulse generator be fixed on the oil filler pipe fixed pulley after stay cord is connected;
Then, will be tightly connected, be tightly connected doing between the oil filler point of oil cylinder and the oil filler pipe for described LWD impulse generator provides between the Pump Suction Nozzle of the aspirating hole of oil cylinder of silicone oil and vacuum pump to do by flexible pipe and valve;
Afterwards, start vacuum pump, make air in the described LWD impulse generator under condition of negative pressure, discharge from oil filler pipe, silicone oil is seized the opportunity and is entered, and realizes that air once discharged;
When not having bubble to discharge in observing oil filler pipe, drop-down weight linear meter rises described LWD impulse generator, highly above the height of oil cylinder, the silicone oil in the oil filler pipe is flow backwards until it, realizes air two degree discharges;
Then, spur stay cord downwards oil filler pipe is mentioned highest point, realize air three degree discharges;
Then, unclamp stay cord, allow oil filler pipe drop naturally, realize air four degree discharges;
At last, slowly promote weight linear meter, the LWD impulse generator is risen, make the discharge of floating of lighter air in oil filler pipe, heavier silicone oil enters in the LWD impulse generator along oil filler pipe;
Realize the step that air two degree～air four degree are discharged above repeating and promote the step that weight linear meter rises the LWD impulse generator at last, in the time of only discharging the air of minute quantity in the LWD impulse generator, oil-filled work is finished.
The present invention has following beneficial effect: take such scheme to carry out oil-filled to the LWD impulse generator, this method is utilized the collaborative work of pulley and weight linear meter, realized that four degree of air are discharged in the LWD impulse generator, made the oil-filled quality of impulse generator obtain guarantee.And after using this method, abandoned originally utilizing big and heavy stone, strike etc. the out-of-date methods that diminish the impulse generator inner member finish oil-filled, thereby prolonged application life of impulse generator.Using this method in addition can also shorten the oil-filled time greatly, has alleviated maintenance personal's labour intensity.
Description of drawings:
Fig. 1 is the connection diagram of related device among the present invention.
1-impulse generator fixed pulley among the figure, 2-oil filler pipe fixed pulley, 3-stay cord, 4-LWD impulse generator, 5-pressure meter, 6-valve, 7-oil cylinder, 8-inflating pump, 9-vacuum pump, 10 power supplys, 11-tester, 12-test signal efferent duct, 13-oil filler pipe, 14-weight linear meter.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
The oil filling method of this kind of LWD impulse generator, mainly form by following steps:
1. be two impulse generator fixed pulleys of described LWD impulse generator 4 configurations 1, oil filler pipe fixed pulley 2, a weight linear meter 14 and a stay cord 3;
2. with described LWD impulse generator 4 be fixed on two impulse generator fixed pulleys 1 after weight linear meter 14 is connected, with the oil filler pipe 13 of described LWD impulse generator 4 be fixed on the oil filler pipe fixed pulley 2 after stay cord 3 is connected;
3. will be tightly connected for described LWD impulse generator 4 provides between the Pump Suction Nozzle of the aspirating hole of oil cylinder 7 of silicone oil and vacuum pump 9 to do by flexible pipe and valve, be tightly connected doing between the oil filler point of oil cylinder 7 and the oil filler pipe 13;
Annexation in the above steps connects the back that finishes and starts vacuum pump 9 as shown in Figure 1, makes air in the described LWD impulse generator 4 under condition of negative pressure, discharges from oil filler pipe, and silicone oil is seized the opportunity and entered, and realizes that air once discharged; Observe when not having bubble to discharge in the oil filler pipe 13, drop-down weight linear meter 14, described LWD impulse generator 4 is risen, highly surpass oil cylinder 7 until it, silicone oil in the oil filler pipe 13 is flow backwards, pressure continue to descend in the impulse generator, impels in the impulse generator air to expand and is discharged in the oil filler pipe, realizes that air two degree discharge; Then, spur stay cord 3 downwards, oil filler pipe 13 is mentioned highest point, can see that at this moment the silicone oil in the oil filler pipe 13 is flowing backwards, wherein be mingled with some bubbles, thereby realize that air three degree discharge.Afterwards, unclamp stay cord 3, allow oil filler pipe 13 drop naturally, do like this and can aggravate in the oil-filled pipeline silicone oil and flow backwards, cause that pressure further descends in the impulse generator, realize that four degree of air are discharged.At last, slowly promote weight linear meter 14, LWD impulse generator 4 is risen, make the discharge of floating of lighter air in oil filler pipe 13, heavier silicone oil enters in the LWD impulse generator 4 along oil filler pipe;
Realize the step that air two degree～air four degree are discharged above repeating and promote the step that weight linear meter rises the LWD impulse generator at last, air just can constantly be discharged like this, silicone oil just can constantly enter, when LWD impulse generator 4 only can be discharged the air of minute quantity, oil-filled work was finished.
After application the present invention safeguards the LWD impulse generator, demonstrated good performance at the scene in the technological service, for example: signal is arranged near the well head that the past repeatedly occurs and down-hole no signal fault no longer occurs, solved LWD impulse generator key issue in use.
Be to use the oil-filled and oil-filled contrast experiment of application new method of original method below:
Gave the LWD pulser oil-filled 15 times with old technology in 2005, applicating new process was given oil-filled 52 times of LWD pulser in 2006, tested selected quantity and was 100.It is as follows to use the oil-filled process of the test of new method:
(1) start vacuum pump, first deaeration sucks silicone oil.
(2) behind the bubble collapse, drop-down mass makes the impulse generator lifting height surpass oil bottle, makes that silicone oil flows backwards in the oil-filled pipeline, impel in the impulse generator air under negative pressure, to expand and be discharged in the oil filler pipe, the second time deaeration.
(3) the pulling nylon rope is mentioned highest point with oil-filled pipeline, discharges bubble once more.
(4) when no bubble is emerged, unclamp nylon rope, allow oil-filled pipeline drop naturally, make that pressure further descends in the impulse generator, silicone oil enters impulse generator through oil filler pipe.
(5) repeat above-mentioned steps, continuous exhaust air, when no bubble was discharged, oil-filled going up finished.
Concrete correction data sees Table 1.
| Time | Oil-filled number of times | The air discharge rate | On-the-spot mode of occupation | The average underground work time, h |
| 2005 | 15 | Average 85% | 30 pulser underground work times do not have signal after being no more than 200h.10 preceding well head test no signals of going into the well. | 160 |
| 2006 | 52 | Average 98% | 2 pulser underground work times are no more than 400h does not have signal. | 310 |
Claims (1)
1, a kind of oil filling method of LWD impulse generator, tool are characterised in that this method is made up of following steps:
1. be described LWD impulse generator (4) configuration two impulse generator fixed pulleys (1), an oil filler pipe fixed pulley (2), a weight linear meter (14), a stay cord (3);
2. with described LWD impulse generator (4) be fixed on two impulse generator fixed pulleys (1) after weight linear meter (14) is connected, with the oil filler pipe (13) of described LWD impulse generator (4) be fixed on the oil filler pipe fixed pulley (2) after stay cord (3) is connected;
3. will be tightly connected for described LWD impulse generator (4) provides between the Pump Suction Nozzle of the aspirating hole of oil cylinder (7) of silicone oil and vacuum pump (9) to do by flexible pipe and valve, be tightly connected doing between the oil filler point of oil cylinder (7) and the oil filler pipe (13);
4. start vacuum pump (9), make air in the described LWD impulse generator (4) under condition of negative pressure, discharge from oil filler pipe, silicone oil is seized the opportunity and is entered, and realizes that air once discharged;
5. when not having bubble to discharge, drop-down weight linear meter (14) rises described LWD impulse generator (4), highly above oil cylinder (7), the silicone oil in the oil filler pipe (13) is flow backwards until it, realizes air two degree discharges;
6. spur stay cord (3) downwards oil filler pipe (13) is mentioned highest point, realize air three degree discharges;
7. unclamp stay cord (3), allow oil filler pipe (13) drop naturally, realize air four degree discharges;
8. slowly promote weight linear meter (14), LWD impulse generator (4) is risen, make the discharge of floating of lighter air in oil filler pipe (13), heavier silicone oil enters in the LWD impulse generator (4) along oil filler pipe;
9. repeating step 5.～step 8., when only discharging the minute quantity air in LWD impulse generator (4), oil-filled work is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100721058A CN101042047A (en) | 2007-04-26 | 2007-04-26 | Oil filling method of LWD impulsator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100721058A CN101042047A (en) | 2007-04-26 | 2007-04-26 | Oil filling method of LWD impulsator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101042047A true CN101042047A (en) | 2007-09-26 |
Family
ID=38807809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100721058A Pending CN101042047A (en) | 2007-04-26 | 2007-04-26 | Oil filling method of LWD impulsator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101042047A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080534A (en) * | 2009-11-30 | 2011-06-01 | 上海神开石油化工装备股份有限公司 | Speed oil filling device for pulse generator of wireless inclinometer and using method thereof |
| CN102200009A (en) * | 2010-12-20 | 2011-09-28 | 中国石油集团钻井工程技术研究院 | Method for processing MWD (Measurement While Drilling) underground continuous wave signal |
| CN106122740A (en) * | 2016-06-20 | 2016-11-16 | 中国船舶重工集团公司第七八研究所 | A kind of mud pulse generator device for filling oil and using method |
| CN106224309A (en) * | 2016-08-31 | 2016-12-14 | 中国船舶重工集团公司第七八研究所 | A kind of oil-filled hydraulic system of piston type mud pulse generator |
-
2007
- 2007-04-26 CN CNA2007100721058A patent/CN101042047A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080534A (en) * | 2009-11-30 | 2011-06-01 | 上海神开石油化工装备股份有限公司 | Speed oil filling device for pulse generator of wireless inclinometer and using method thereof |
| CN102080534B (en) * | 2009-11-30 | 2014-03-12 | 上海神开石油化工装备股份有限公司 | Speed oil filling device for pulse generator of wireless inclinometer and using method thereof |
| CN102200009A (en) * | 2010-12-20 | 2011-09-28 | 中国石油集团钻井工程技术研究院 | Method for processing MWD (Measurement While Drilling) underground continuous wave signal |
| CN102200009B (en) * | 2010-12-20 | 2013-05-08 | 中国石油集团钻井工程技术研究院 | Method for processing MWD (Measurement While Drilling) underground continuous wave signal |
| CN106122740A (en) * | 2016-06-20 | 2016-11-16 | 中国船舶重工集团公司第七八研究所 | A kind of mud pulse generator device for filling oil and using method |
| CN106122740B (en) * | 2016-06-20 | 2018-08-21 | 中国船舶重工集团公司第七一八研究所 | A kind of mud pulse generator device for filling oil and application method |
| CN106224309A (en) * | 2016-08-31 | 2016-12-14 | 中国船舶重工集团公司第七八研究所 | A kind of oil-filled hydraulic system of piston type mud pulse generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101042047A (en) | Oil filling method of LWD impulsator | |
| CN1446286A (en) | Multi-gradient drilling method and system | |
| CN1927991A (en) | Water plugging agent for water injection well preparing from discarded oil-containing sludge | |
| CN107620308A (en) | guide rod type hydraulic pile hammer | |
| CN108225752B (en) | Comprehensive experimental device for particle impact drilling ground | |
| CN115522526B (en) | Seabed type static sounding penetration equipment and penetration method | |
| CN2849133Y (en) | Servopump pulse resonant unlocking yield increasing device | |
| CN212428665U (en) | Bridge hole pile sand-rich sediment pump drainage device | |
| CN1291225C (en) | Stress sheath demage predicting method | |
| CN116104454B (en) | Gas lift plunger drainage gas recovery performance evaluation device | |
| CN112065310A (en) | Bridge hole pile sand-rich sediment pumping device and using method | |
| CN1594830A (en) | Intelligent oil recovery control system and control method thereof | |
| CN1920183A (en) | Pile bottom mud jacking method for pump-grouting concrete and structure of madjack pipe | |
| CN205341422U (en) | Height underground gas storage well belt cleaning device that calms anger | |
| CN2761828Y (en) | Lift out prevention anti blow out device of pumping well | |
| CN107758886B (en) | Mounting method of river channel aeration device | |
| CN111827933A (en) | Experimental device for hyposmosis oil reservoir oil well simulation intermittent production | |
| CN113389528B (en) | Performance testing device and method for underground cyclone sand remover | |
| CN206903614U (en) | A kind of silt particle fishing device of hydraulic-driven | |
| CN1158376A (en) | Pile structure construction method and special appts. thereof | |
| CN215801901U (en) | Novel hydraulic engineering desilting equipment | |
| CN111636432A (en) | Basalt stratum underwater concrete pouring system and construction method | |
| CN104358249B (en) | Water-gas linkage desilting for vibro-replacement stone stops method and system | |
| CN204311993U (en) | Stake construction device at the bottom of gathering station capital construction | |
| CN210370554U (en) | Drilling device with from dust fall system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20070926 |