CN103556985B - A kind of rig duty automatic identifying method being applicable to hydraulic drill rig - Google Patents
A kind of rig duty automatic identifying method being applicable to hydraulic drill rig Download PDFInfo
- Publication number
- CN103556985B CN103556985B CN201310543685.XA CN201310543685A CN103556985B CN 103556985 B CN103556985 B CN 103556985B CN 201310543685 A CN201310543685 A CN 201310543685A CN 103556985 B CN103556985 B CN 103556985B
- Authority
- CN
- China
- Prior art keywords
- value
- threshold value
- rig
- drilling
- hook
- 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.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
A kind of rig duty automatic identifying method being applicable to hydraulic drill rig, receive hook load value that weight transduser measures, drilling liquid flow value that hook shift value, pump that drawworks sensor is measured rush sensor measurement, pressure sensor are measured presses down force value, hook load threshold value, downforce threshold value, overhead, shaft bottom threshold value, mud flow rate threshold value, the pressure of the drill threshold value are set, carry out rig state according to basis for estimation and automatically identify.The present invention was both applicable to conventional drill, was applicable to hydraulic drill rig again, accurately can identify the duty of hydraulic drill rig, can solve the conventional method problem that condition adjudgement is inaccurate when heavy, underloading weight on hook difference is little.
Description
Technical field
The present invention relates to a kind of rig duty automatic identifying method being applicable to hydraulic drill rig, belong to oil-gas exploration and development drilling well, mud logging techniques field.
Background technology
In the drilling process in oil-gas exploration and development field, engineers and technicians need the brill of measurement promptly and accurately to reach well depth, grasp the duty of boring and meeting layer position, understanding rig, at present, the main automatic measuring device at scene that relies on has come, and mainly contains comprehensive logging instrument, drilling parameter measuring instrument etc.The recognition methods that these measureing equipments carry out drilling well duty measures drilling machine hook displacement by drawworks sensor, and weight transduser measures drilling machine hook load, and pump rushes sensor measurement pump punch speed to be carried out COMPREHENSIVE CALCULATING and judges drilling state.The calculating of well depth depends on the state of creeping into, and for conventional drill, the load change value bottom drilling tool before and after bit contact shaft bottom is the pressure of the drill putting on drill bit.But for hydraulic drill rig, be the function being realized hook connection drilling tool by hydraulically powered unit head; When hydraulic drill rig operation, the effect of the power putting on drilling tool not only dynamic head, also have additional downforce effect, the change now by means of only load has been not enough to the duty identifying rig.
Patent 200410004274.4 " a kind of bottom depth and well track automatic tracking method and device " describes and utilizes the sensor of drilling machine hook load and position height, determines whether hanged by hook with the drill string of drill bit according to the change of hook load, displacement and the moving direction of drill string and drill bit is determined according to the change of hook position height, realize the method for bit depth from motion tracking, but the method only can measure the degree of depth of drill bit, cannot judge whether it is the state of creeping into, and only under the state of creeping into, the degree of depth of drill bit could represent drilling well well depth.
Patent 200920213601.5 " a kind of Simple well logging unit ", 201010225677.7 " Drill-o-graphs ", all describe and utilize drawworks sensor, mud sensor, weight transduser signal to carry out the identification of rig duty, calculate the method for well depth, drilling speed, but these methods are only applicable to conventional drill, and are not suitable for hydraulic drill rig.
Patent 201110329031.8 " coal mine full hydraulic drill hole of drilling machine depth travel method for comprehensive detection " and 201210285031.7 " coal mine down-hole drilling degree of depth real-time detection apparatus and detection methods " describe coal mining hydraulic drilling rig, by measuring unit head displacement and transmission oil pressure, carry out the identification of rig process status and drilling depth measurement, but the method is not suitable for oil-gas exploration and development hydraulic drill rig used.
The hydraulic drill rig operation used of current oil-gas exploration and development, is still the rig duty recognition methods adopting ancestral petroleum drilling well, thus inevitably causes the error in auto state identifying, and then affect well depth, the isoparametric calculating accuracy of drilling speed.
Summary of the invention
The invention provides a kind of rig duty automatic identifying method being applicable to hydraulic drill rig, both conventional drill was applicable to, be applicable to hydraulic drill rig again, accurately can identify the duty of hydraulic drill rig, the conventional method problem that condition adjudgement is inaccurate when heavy, underloading weight on hook difference is little can be solved.
In order to achieve the above object, the invention provides a kind of rig duty automatic identifying method being applicable to hydraulic drill rig, this automatic identifying method comprises following steps:
The pump of step 1, the weight transduser conventionally installing and measuring hook load on the relevant position of hydraulic drill rig, the drawworks sensor measuring hook displacement, measurement mud flow rate rushes sensor;
Step 2, in the downforce list catenation oil circuit of hydraulic drill rig, a tee junction of connecting, the pressure sensor of downforce is measured in access;
Step 3, normal signal receiving processing module receive hook load value that weight transduser measures, drawworks sensor is measured hook shift value, pump rush the drilling liquid flow value of sensor measurement, pressure sensor is measured presses down force value;
Step 4, hook load threshold value, downforce threshold value, overhead, shaft bottom threshold value, mud flow rate threshold value, the pressure of the drill threshold value are set;
Hook load threshold value: arranging this value according to situ of drilling well actual state is 100kN ~ 300kN;
Downforce threshold value: arranging this value according to situ of drilling well actual state is 5kN ~ 20kN;
Overhead, shaft bottom threshold value: arranging this value according to situ of drilling well actual state is 0.05m ~ 0.15m;
Mud flow rate threshold value: arranging this value according to situ of drilling well actual state is 8l/s ~ 15l/s;
The pressure of the drill threshold value: arranging this value according to situ of drilling well actual state is 4kN ~ 15kN;
Step 5, carry out rig state according to basis for estimation and automatically identify;
If hook load value >=hook load threshold value, or press down force value >=downforce threshold value, then rig is heavy condition, carry out step 7;
If hook load value < hook load threshold value, and press down force value < downforce threshold value, then rig is light condition, carry out step 7;
If heavily loaded, and overhead, null value < shaft bottom threshold value on shaft bottom, and the pressure of the drill value+press down force value > the pressure of the drill threshold value, and drilling liquid flow value > mud flow rate threshold value, then rig is the state of creeping into, and carry out step 6;
If heavily loaded, and turn on pump, then rig is recurrent state, carry out step 7;
If heavily loaded, and null value on shaft bottom >=overhead, shaft bottom threshold value, then rig is lift-off shaft bottom state, carry out step 7;
If heavily loaded, and overhead, null value < shaft bottom threshold value on shaft bottom, then rig is in shaft bottom state, carry out step 7;
If heavy duty is converted to underloading, then rig is for sitting card-like state, carry out step 7;
Step 6, calculating well depth and drilling speed;
Well depth calculates: when duty is for when " creeping into state ", the hook shift value that well depth=initial setting up well depth+drawworks sensor records;
Drilling speed calculates: drilling speed is exactly the increment of well depth in the unit interval, drilling speed=(current well depth-initial well depth)/well depth increment drilling time used; Only creeping into and calculating under changing a situation, calculating per second once;
Wherein, initial setting up well depth be enter " creeping into state " front, the initialization value of operating personnel set by actual well drilled well depth; The hook shift value that drawworks sensor records is according to the calibration curve set by operating personnel, and drawworks sensor produces winch pulse, and the pulse according to gathering counts, then calculates hook shift value according to the functional relation of calibration curve.
Step 7, utilize the parameter such as display unit display, output sensor signal value, rig duty, well depth, drilling speed.
The present invention has the following advantages:
1, be both applicable to conventional drill, be applicable to hydraulic drill rig again;
2, accurately can identify the duty of hydraulic drill rig, particularly can solve the conventional method problem that condition adjudgement is inaccurate when heavy, underloading weight on hook difference is little;
3, the effect of hydraulic drill rig downforce can be solved on the impact of rig duty identification;
4, the automatic identification of rig duty can be realized;
5, the lower pressure sensor adopted and weight transduser are Universal pressure sensor, are easy to realize.
Detailed description of the invention
Below illustrate preferred embodiment of the present invention.
The invention provides a kind of rig duty automatic identifying method being applicable to hydraulic drill rig, this automatic identifying method comprises following steps:
The pump of step 1, the weight transduser conventionally installing and measuring hook load on the relevant position of hydraulic drill rig, the drawworks sensor measuring hook displacement, measurement mud flow rate rushes sensor;
Step 2, in the downforce list catenation oil circuit of hydraulic drill rig, a tee junction of connecting, the pressure sensor of downforce is measured in access;
Step 3, normal signal receiving processing module receive hook load value that weight transduser measures, drawworks sensor is measured hook shift value, pump rush the drilling liquid flow value of sensor measurement, pressure sensor is measured presses down force value;
Step 4, hook load threshold value, downforce threshold value, overhead, shaft bottom threshold value, mud flow rate threshold value, the pressure of the drill threshold value are set;
Hook load threshold value: arranging this value according to situ of drilling well actual state is 100kN ~ 300kN;
Downforce threshold value: arranging this value according to situ of drilling well actual state is 5kN ~ 20kN;
Overhead, shaft bottom threshold value: arranging this value according to situ of drilling well actual state is 0.05m ~ 0.15m;
Mud flow rate threshold value: arranging this value according to situ of drilling well actual state is 8l/s ~ 15l/s;
The pressure of the drill threshold value: arranging this value according to situ of drilling well actual state is 4kN ~ 15kN;
Step 5, carry out rig state according to basis for estimation and automatically identify;
If hook load value >=hook load threshold value, or press down force value >=downforce threshold value, then rig is heavy condition, carry out step 7;
If hook load value < hook load threshold value, and press down force value < downforce threshold value, then rig is light condition, carry out step 7;
If heavy duty (hook load value >=hook load threshold value, or press down force value >=downforce threshold value), and overhead, null value < shaft bottom threshold value on shaft bottom, and the pressure of the drill value+press down force value > the pressure of the drill threshold value, and drilling liquid flow value > mud flow rate threshold value, then rig is the state of creeping into, and carry out step 6;
The pressure of the drill value+press down force value > the pressure of the drill threshold value is the necessary condition of creeping into state recognition, the pressure of the drill is that bit location and current well depth difference are less than before and after the thresholding of overhead, shaft bottom, the changing value of hook load, this changing value in normally creeping between 7kN ~ 20kN; For hydraulic drill rig, because unit head passes through hydraulic-driven, rig duty actual reach creep into state time, the changing value of hook load will be less than the pressure of the drill thresholding, it is now actual that what work is the power that downforce is applied on drill bit, promote the carrying out of work of creeping into, therefore only according to the changing value of hook load, go out real rig duty with regard to None-identified;
If heavy duty (hook load value >=hook load threshold value, or press down force value >=downforce threshold value), and turn on pump, then rig is recurrent state, carry out step 7;
If heavy duty (hook load value >=hook load threshold value, or press down force value >=downforce threshold value), and null value on shaft bottom >=overhead, shaft bottom threshold value, then rig is lift-off shaft bottom state, carry out step 7;
If heavy duty (hook load value >=hook load threshold value, or press down force value >=downforce threshold value), and overhead, null value < shaft bottom threshold value on shaft bottom, then rig is in shaft bottom state, carry out step 7;
If heavy duty (hook load value >=hook load threshold value, or press down force value >=downforce threshold value) be converted to underloading (hook load < hook load thresholding, and downforce < downforce thresholding), then rig is for sitting card-like state, carry out step 7;
The basis for estimation of rig state recognition please refer to table 1;
Table 1:
Step 6, calculating well depth and drilling speed;
Well depth calculates: when duty is for when " creeping into state ", the hook shift value that well depth=initial setting up well depth+drawworks sensor records;
Drilling speed calculates: drilling speed is exactly the increment of well depth in the unit interval, drilling speed=(current well depth-initial well depth)/well depth increment drilling time used; Only creeping into and calculating under changing a situation, calculating per second once.
Wherein, initial setting up well depth be enter " creeping into state " front, the initialization value of operating personnel set by actual well drilled well depth; This initialization value be exactly drill bit when being put into shaft bottom, the length of the following drilling tool string of well head is that well logging personnel obtain every root drilling tool survey calculation before drilling tool is gone into the well.The hook shift value that drawworks sensor records is according to the calibration curve set by operating personnel, according to the hook shift value obtained after the data calculating that drawworks sensor records; Drawworks sensor produces winch pulse, and the pulse according to gathering counts, then calculates hook shift value according to the functional relation of calibration curve.
Step 7, utilize the parameter such as display unit display, output sensor signal value, rig duty, well depth, drilling speed.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (1)
1. be applicable to a rig duty automatic identifying method for hydraulic drill rig, it is characterized in that, this automatic identifying method comprises following steps:
The pump of step 1, the weight transduser conventionally installing and measuring hook load on the relevant position of hydraulic drill rig, the drawworks sensor measuring hook displacement, measurement mud flow rate rushes sensor;
Step 2, in the downforce list catenation oil circuit of hydraulic drill rig, a tee junction of connecting, the pressure sensor of downforce is measured in access;
Step 3, normal signal receiving processing module receive hook load value that weight transduser measures, drawworks sensor is measured hook shift value, pump rush the drilling liquid flow value of sensor measurement, pressure sensor is measured presses down force value;
Step 4, hook load threshold value, downforce threshold value, overhead, shaft bottom threshold value, mud flow rate threshold value, the pressure of the drill threshold value are set;
Hook load threshold value: arranging this value according to situ of drilling well actual state is 100kN ~ 300kN;
Downforce threshold value: arranging this value according to situ of drilling well actual state is 5kN ~ 20kN;
Overhead, shaft bottom threshold value: arranging this value according to situ of drilling well actual state is 0.05m ~ 0.15m;
Mud flow rate threshold value: arranging this value according to situ of drilling well actual state is 8l/s ~ 15l/s;
The pressure of the drill threshold value: arranging this value according to situ of drilling well actual state is 4kN ~ 15kN;
Step 5, carry out rig state according to basis for estimation and automatically identify;
If hook load value >=hook load threshold value, or press down force value >=downforce threshold value, then rig is heavy condition, carry out step 7;
If hook load value < hook load threshold value, and press down force value < downforce threshold value, then rig is light condition, carry out step 7;
If heavily loaded, and overhead, null value < shaft bottom threshold value on shaft bottom, and the pressure of the drill value+press down force value > the pressure of the drill threshold value, and drilling liquid flow value > mud flow rate threshold value, then rig is the state of creeping into, and carry out step 6;
If heavily loaded, and turn on pump, then rig is recurrent state, carry out step 7;
If heavily loaded, and null value on shaft bottom >=overhead, shaft bottom threshold value, then rig is lift-off shaft bottom state, carry out step 7;
If heavily loaded, and overhead, null value < shaft bottom threshold value on shaft bottom, then rig is in shaft bottom state, carry out step 7;
If heavy duty is converted to underloading, then rig is for sitting card-like state, carry out step 7;
Step 6, calculating well depth and drilling speed;
Well depth calculates: when duty is for when " creeping into state ", the hook shift value that well depth=initial setting up well depth+drawworks sensor records;
Drilling speed calculates: drilling speed is exactly the increment of well depth in the unit interval, drilling speed=(current well depth-initial well depth)/well depth increment drilling time used; Only calculate in the situation of creeping into, calculating per second once;
Wherein, initial setting up well depth be enter " creeping into state " front, the initialization value of operating personnel set by actual well drilled well depth; The hook shift value that drawworks sensor records is according to the calibration curve set by operating personnel, and drawworks sensor produces winch pulse, and the pulse according to gathering counts, then calculates hook shift value according to the functional relation of calibration curve;
Step 7, utilize display unit display, output sensor signal value, rig duty, well depth, drilling speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543685.XA CN103556985B (en) | 2013-11-06 | 2013-11-06 | A kind of rig duty automatic identifying method being applicable to hydraulic drill rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543685.XA CN103556985B (en) | 2013-11-06 | 2013-11-06 | A kind of rig duty automatic identifying method being applicable to hydraulic drill rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103556985A CN103556985A (en) | 2014-02-05 |
| CN103556985B true CN103556985B (en) | 2015-11-11 |
Family
ID=50011320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310543685.XA Active CN103556985B (en) | 2013-11-06 | 2013-11-06 | A kind of rig duty automatic identifying method being applicable to hydraulic drill rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103556985B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533244B (en) * | 2017-03-01 | 2021-05-07 | 中国石油化工股份有限公司 | Method and system for automatically identifying downhole state of drilling well |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606415A (en) * | 1984-11-19 | 1986-08-19 | Texaco Inc. | Method and system for detecting and identifying abnormal drilling conditions |
| CN2125698U (en) * | 1992-04-15 | 1992-12-23 | 中国石油天然气总公司四川设计院 | Automatic recorder for drilling time |
| CN102182441A (en) * | 2011-03-04 | 2011-09-14 | 上海大学 | Method for locating underground non-cable test system |
| CN102418517A (en) * | 2011-10-26 | 2012-04-18 | 中煤科工集团重庆研究院 | Method for comprehensively detecting drilling depth travel of fully hydraulic drilling machine for coal mine |
| CN102889073A (en) * | 2012-09-28 | 2013-01-23 | 曾庆义 | Device and method for monitoring drilling working state of drilling machine |
| CN103306662A (en) * | 2013-07-02 | 2013-09-18 | 中煤科工集团西安研究院 | On-line monitoring and diagnosing system of all-hydraulic drill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9416646B2 (en) * | 2011-11-14 | 2016-08-16 | Schlumberger Technology Corporation | Determining drill string status in a wellbore |
-
2013
- 2013-11-06 CN CN201310543685.XA patent/CN103556985B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606415A (en) * | 1984-11-19 | 1986-08-19 | Texaco Inc. | Method and system for detecting and identifying abnormal drilling conditions |
| CN2125698U (en) * | 1992-04-15 | 1992-12-23 | 中国石油天然气总公司四川设计院 | Automatic recorder for drilling time |
| CN102182441A (en) * | 2011-03-04 | 2011-09-14 | 上海大学 | Method for locating underground non-cable test system |
| CN102418517A (en) * | 2011-10-26 | 2012-04-18 | 中煤科工集团重庆研究院 | Method for comprehensively detecting drilling depth travel of fully hydraulic drilling machine for coal mine |
| CN102889073A (en) * | 2012-09-28 | 2013-01-23 | 曾庆义 | Device and method for monitoring drilling working state of drilling machine |
| CN103306662A (en) * | 2013-07-02 | 2013-09-18 | 中煤科工集团西安研究院 | On-line monitoring and diagnosing system of all-hydraulic drill |
Non-Patent Citations (1)
| Title |
|---|
| 一种基于全液压动力头钻机的钻进参数检测方法;邵春等;《煤田地质与勘探》;20110630;第39卷(第3期);77-80 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103556985A (en) | 2014-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109989740B (en) | Coal measure stratum drilling intelligent identification system and method based on multi-source information fusion | |
| US9494031B2 (en) | Data transmission during drilling | |
| EP2978936B1 (en) | Automated rig activity report generation | |
| CN102808610B (en) | Coal mine down-hole drilling degree of depth real-time detection apparatus and detection method | |
| CN103615236A (en) | Method for monitoring formation pressure in real time through remote logging information | |
| CN108678725A (en) | Real-time monitoring and analyzing method for underground friction resistance and torque | |
| US20190316463A1 (en) | Well-drilling data communication and processing tool | |
| CA2907696A1 (en) | Calibrations for a well drilling apparatus | |
| CN202866790U (en) | Coal mine downhole drilling depth real-time detection device | |
| CN103883320B (en) | With brill time-lapse logging method | |
| CN104727815A (en) | Real-time well drilling formation correction method and device | |
| CN103556985B (en) | A kind of rig duty automatic identifying method being applicable to hydraulic drill rig | |
| CN209040821U (en) | A kind of automatic driller based on Bottom Hole Bit Weight In A | |
| CN105350954B (en) | When depth acquisition methods and device based on drill string conveying well measuring instrument | |
| CN202220600U (en) | Automatic drilling depth displaying and recording system of full-hydraulic power head drilling machine | |
| CN101408420A (en) | Strip bearing block long term monitoring method | |
| CN104047593B (en) | A kind of method of utilizing speed location drilling well microchip tracer depth | |
| CA2638635C (en) | Creep determination technique | |
| CN110631654A (en) | Depth measurement method based on underground water | |
| CN104047592B (en) | A kind of method of utilizing time sharing method location drilling well microchip tracer depth | |
| CN105735972A (en) | System for measuring, recording and processing depth of downhole tool for resource exploration and development | |
| CN206694020U (en) | The device of gas cut is monitored in real time using the pressure wave signal of measurement while drilling instrument | |
| CN102278109A (en) | Well leakage position ground and underground comprehensive detection system and method | |
| CN102852510B (en) | Auxiliary driller's system and rig | |
| Florence et al. | New surface and down-hole sensors needed for oil and gas drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |