CN105675428A - PDC drilling characteristic measuring method - Google Patents
PDC drilling characteristic measuring method Download PDFInfo
- Publication number
- CN105675428A CN105675428A CN201410668926.8A CN201410668926A CN105675428A CN 105675428 A CN105675428 A CN 105675428A CN 201410668926 A CN201410668926 A CN 201410668926A CN 105675428 A CN105675428 A CN 105675428A
- Authority
- CN
- China
- Prior art keywords
- pdc
- characteristic
- milling
- testing
- drilling
- 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
Abstract
The present invention relates to the technical field of drill measuring, and discloses a PDC drilling characteristic measuring method, under indoor conditions, a man-made polycrystalline diamond PDC drilling characteristic measuring test device is used, PDC is used for simulating a drill for PDC drilling characteristic tests for calculation of PDC drilling characteristic factor D; a PDC milling bit is used for PDC milling tests for calculation of PDC milling characteristic factor P, then PDC drilling characteristics can be calculated; and the advantages are as follows: the method can be used for measuring the PDC drilling characteristics of PDC as cutting teeth under states of force and rotation accompanied with irregular vibration and shock. The measuring method is simple, safe and accurate, and test results are closer to actual test results.
Description
Technical field
The present invention relates to drill bit determination techniques field, specifically a kind of under indoor specified criteria, on man-made polycrystalline diamond (PDC) drilling property determination test device, successively carrying out PDC creeps into testing of characteristic and PDC milling testing of characteristic to rock to use PDC simulation drill bit and PDC junk bit, thus measures the drilling property of PDC.
Background technology
The foundation of PDC drilling property determination method is one of prerequisite measuring PDC drilling property, and the reasonableness of measuring method is significant for the drilling property evaluating PDC. PDC drilling property refers to that PDC is as the engineering characteristic cutting tooth formation drilled rock under by power and rotation and with irregular vibration, impact conditions and having. The PDC drilling property measured can be PDC drill bit production factory according to Different Strata characteristic select suitable PDC manufacture drill bit provide according to and detection method, also provide technical support for PDC producer improves its quality product simultaneously.
Summary of the invention
It is an object of the invention to the engineering characteristic that the PDC in order to better test PDC drill bit cuts tooth formation drilled rock under by power and rotation and with irregular vibration, impact conditions and has, there is provided a kind of under indoor specified criteria, on man-made polycrystalline diamond (PDC) drilling property determination test device, successively carrying out PDC creeps into testing of characteristic and PDC milling testing of characteristic to rock to use PDC simulation drill bit and PDC junk bit, thus measures the PDC drilling property determination method of the drilling property of PDC.
In the method for the present invention, for ensureing drilling property ZDPReflection PDC objective, real, as cutting tooth in the power of being subject to and rotation and with the characteristic having without formation drilled rock under rule vibration, impact conditions, devises and creeps into character factor D and milling character factor P. Creeping into the technical characteristic that character factor D reflects PDC rock drilling in whole drilling test process, milling character factor P reflects wear resistance and the shock resistance of PDC.
PDC drilling property determination method overall technological scheme of the present invention is:
A kind of PDC drilling property determination method, in room conditions, utilizes man-made polycrystalline diamond (PDC) drilling property determination test device to carry out, it may also be useful to PDC simulation drill bit carries out PDC and creeps into testing of characteristic, and what calculate PDC creeps into character factor D;Use PDC junk bit to carry out PDC milling test, calculate the milling character factor P of PDC, and then calculate the drilling property of PDC
In above-mentioned PDC drilling property determination method, described PDC creeps into testing of characteristic step and comprises: PDC sheet to be measured is cleaned, dries and weighed, and weight record is m1; PDC sheet is installed on simulation drill bit, simulation drill bit is installed on man-made polycrystalline diamond (PDC) drilling property determination test device, the degree of depth of setting test the pressure of the drill, rotating speed and boring, brill property rank be that the quartz sand rock sample of 6-8 level carries out creeping into testing of characteristic, altogether bore i hole; Record each boring drill speed υiWith drilling depth li; What calculate PDC creeps into character factor D=∑ vili。
Further comprising setting test the pressure of the drill 5kN, rotating speed 200r/min, the degree of depth 200mm of each boring, in Double End, parallel and drillability rank is carry out on the quartz sand rock sample of 7 grades creeping into testing of characteristic, bores 8 holes altogether.
In above-mentioned PDC drilling property determination method, described PDC milling testing of characteristic step comprises: creeps into after testing of characteristic terminates and is taken off from simulation drill bit by PDC sheet; This PDC sheet is installed on junk bit; Man-made polycrystalline diamond (PDC) drilling property determination test device carries out PDC milling testing of characteristic; Setting movable workbench speed, movable length, rotating speed and effective milling degree of depth; Milling testing of characteristic is taken off PDC sheet and is carried out cleaning, dry and weighing after terminating, weight record is m2; The wear area A of PDC sheet is asked under stereoscopic microscope; Calculate the abrasion weight m=m of PDC sheet1-m2; Calculate milling character factor P=m × A.
Further comprising setting movable workbench speed is that 0.5mm/ often turns, movable workbench length 300mm, rotating speed 350r/min, effective milling degree of depth 2mm.
Man-made polycrystalline diamond (PDC) drilling property determination test device in technical solution of the present invention preferably adopts the applicant's earlier application and disclosed " PDC drilling property determination test device " (application number 200910118933.X) and " a kind of simulation drill bit for measuring PDC drilling property " (application number 201210400154.0).
With the use of PDC simulation drill bit and PDC junk bit, rock priority is carried out PDC and creep into testing of characteristic and PDC milling testing of characteristic, thus obtain the drilling property of PDC. Its advantage can measure PDC as the drilling property cutting tooth PDC under by power and rotation and with irregular vibration, impact conditions. Its testing method is simple, safely, accurately, test result is closer to actual test result.
Accompanying drawing explanation
Fig. 1 is that PDC creeps into testing of characteristic schema;
Fig. 2 is PDC milling testing of characteristic schema.
In figure: 1 PDC sheet to be measured, 2 ultrasonic cleaners, 3 electric ovens, 4 electronic balances, 5 metaloscopes, 6 simulation drill bits, 7 man-made polycrystalline diamonds (PDC) drilling property determination test device, 8 drilling test rock samples, PDC sheet after 9 drilling tests, 10 junk bits, 11 milling test rock samples, PDC sheet after 12 millings tests, 13 stereoscopic microscopes.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
With reference to accompanying drawing 1 and Fig. 2, specific embodiment of the invention scheme comprises the following steps:
(1) drilling test rock sample 8 is prepared;
(2) before experiment, PDC sheet 1 to be measured is cleaned, dries and weighs, record weight m1;
(3) PDC sheet 1 to be measured is placed on metaloscope to detect for 5 times;
(4) the qualified PDC sheet 1 of detection is installed on simulation drill bit 6;
(5) simulation drill bit 6 is arranged on PDC drilling property determination test device 7.
(6) rock sample 8 is positioned on testing apparatus 7;
(7) carry out creeping into testing of characteristic, record drill speed υ and drilling depth l;
(8) creep into and unload simulation drill bit 6 after testing of characteristic terminates and take off PDC sheet 1;
(9) the PDC sheet after drilling test is installed on junk bit 10;
(10) junk bit 10 is arranged on PDC drilling property determination test device 7;
(11) rock sample 11 is positioned on testing apparatus 7;
(12) milling testing of characteristic is carried out;
(13) milling testing of characteristic unloads junk bit 10 after terminating and takes off PDC sheet 1;
(14) the PDC sheet 1 after milling being tested cleans, dries and weighs, record weight m2;
(15) under stereoscopic microscope, record the wear area A of the rear PDC sheet 1 of milling test;
(17) PDC drilling property Z is calculatedDP。
Further, in described step (1), selected rock sample is drillability rank is the quartzose sandstone of 7 grades, rock sample is prepared into the parallel rectangular parallelepiped of upper and lower both ends of the surface, rock sample specification: length × wide × height=450mm × 200mm × 220mm.
Further, in described step (7), PDC creeps into testing of characteristic technical parameter: rotating speed 200r/min, the pressure of the drill 5kN, the drilling depth 200mm in each hole, bores 8 holes altogether, records the drill speed υ of each boringi, with clear water, drill bit is cooled in process of the test.
Further, the rock sample 11 in described step (11) is by after rock sample 8 flip horizontal 180 ° in step 1, is then positioned on testing apparatus 7.
Further, PDC milling testing of characteristic technical parameter in described step (12): movable workbench speed is that 0.5mm/ often turns, movable workbench length 300mm, rotating speed 350r/min, effective milling degree of depth 2mm.
Further, in described step (17), calculate PDC abrasion weight m=m1-m2, creep into character factor D=∑ vili, milling character factor P=m × A, PDC drilling property
Claims (5)
1. a PDC drilling property determination method, in room conditions, utilize man-made polycrystalline diamond (PDC) drilling property determination test device to carry out, it is characterized in that: using PDC simulation drill bit to carry out PDC and creep into testing of characteristic, what calculate PDC creeps into character factor D; Use PDC junk bit to carry out PDC milling test, calculate the milling character factor P of PDC, and then calculate the drilling property of PDC
2. PDC drilling property determination method according to claim 1, is characterized in that described PDC creeps into testing of characteristic step and comprises: PDC sheet to be measured is cleaned, dries and weighed, and weight record is m1; PDC sheet is installed on simulation drill bit, simulation drill bit is installed on man-made polycrystalline diamond (PDC) drilling property determination test device, the degree of depth of setting test the pressure of the drill, rotating speed and boring, brill property rank be that the quartz sand rock sample of 6-8 level carries out creeping into testing of characteristic, altogether bore i hole; Record each boring drill speed υiWith drilling depth li; What calculate PDC creeps into character factor D=∑ vili。
3. PDC drilling property determination method according to claim 2, it is characterized in that setting test the pressure of the drill 5kN, rotating speed 200r/min, the degree of depth 200mm of each boring, in Double End, parallel and drillability rank is carry out on the quartz sand rock sample of 7 grades creeping into testing of characteristic, bores 8 holes altogether.
4. PDC drilling property determination method according to Claims 2 or 3, is characterized in that described PDC milling testing of characteristic step comprises: creeps into after testing of characteristic terminates and is taken off from simulation drill bit by PDC sheet;This PDC sheet is installed on junk bit; Man-made polycrystalline diamond (PDC) drilling property determination test device carries out PDC milling testing of characteristic; Setting movable workbench speed, movable length, rotating speed and effective milling degree of depth; Milling testing of characteristic is taken off PDC sheet and is carried out cleaning, dry and weighing after terminating, weight record is m2; The wear area A of PDC sheet is asked under stereoscopic microscope; Calculate the abrasion weight m=m of PDC sheet1-m2; Calculate milling character factor P=m × A.
5. PDC drilling property determination method according to claim 4, is characterized in that setting movable workbench speed is that 0.5mm/ often turns, movable workbench length 300mm, rotating speed 350r/min, effective milling degree of depth 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668926.8A CN105675428A (en) | 2014-11-21 | 2014-11-21 | PDC drilling characteristic measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668926.8A CN105675428A (en) | 2014-11-21 | 2014-11-21 | PDC drilling characteristic measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105675428A true CN105675428A (en) | 2016-06-15 |
Family
ID=56957381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410668926.8A Pending CN105675428A (en) | 2014-11-21 | 2014-11-21 | PDC drilling characteristic measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105675428A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539507A (en) * | 2009-03-09 | 2009-09-23 | 中国石化集团胜利石油管理局钻井工艺研究院 | PDC drilling property determination test device |
| CN102884411A (en) * | 2010-04-06 | 2013-01-16 | 瓦瑞尔欧洲联合股份公司 | Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard materials |
-
2014
- 2014-11-21 CN CN201410668926.8A patent/CN105675428A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539507A (en) * | 2009-03-09 | 2009-09-23 | 中国石化集团胜利石油管理局钻井工艺研究院 | PDC drilling property determination test device |
| CN102884411A (en) * | 2010-04-06 | 2013-01-16 | 瓦瑞尔欧洲联合股份公司 | Acoustic emission toughness testing for PDC, PCBN, or other hard or superhard materials |
Non-Patent Citations (1)
| Title |
|---|
| 周延军等: "国内外PDC钻凿特性检测试验研究", 《岩土力学》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rajesh Kumar et al. | Prediction of uniaxial compressive strength, tensile strength and porosity of sedimentary rocks using sound level produced during rotary drilling | |
| Kivade et al. | Experimental investigations on penetration rate of percussive drill | |
| Schubnel et al. | Velocity measurements and crack density determination during wet triaxial experiments on Oshima and Toki granites | |
| CN110637223A (en) | Real-time in-situ mechanical characterization of wellbore cuttings | |
| Shafer | Recent advances in core analysis | |
| CN104568627A (en) | Rock abrasiveness determination method | |
| Sheshde et al. | New method for estimating unconfined compressive strength (UCS) using small rock samples | |
| EP2182166A3 (en) | Method and apparatus for testing swellable materials | |
| US20230228189A1 (en) | Method for evaluating rock drillability by nano-indentation test on rock cutting | |
| CN111982377B (en) | Deep hole differential stress evaluation method based on secondary sleeve core | |
| CN113626986A (en) | Method and device for determining modulus gradient of asphalt pavement and electronic equipment | |
| CN113029746A (en) | Method for determining macroscopic modulus of shale through fine/micro mechanical test | |
| CN107247860B (en) | Logging method for solving organic porosity of shale reservoir | |
| US11643898B2 (en) | Systems and methods for monitoring and/or predicting sagging tendencies of fluids | |
| Li et al. | The assessment of correlation between rock drillability and mechanical properties in the laboratory and in the field under different pressure conditions | |
| CN116338136A (en) | Drilling cuttings mechanical parameter measurement method based on accurate mineral crystal simulation model | |
| CA2971803A1 (en) | A system for determining formation stresses using drill cuttings | |
| Popov et al. | Advanced techniques for determining thermal properties on rock samples and cuttings and indirect estimating for atmospheric and formation conditions | |
| Shi et al. | Experimental investigation on the creep behaviors of shale using nanoindentation technique and fractional constitutive models | |
| Govindaraj | A new approach for estimation of properties of metamorphic rocks | |
| CN105675428A (en) | PDC drilling characteristic measuring method | |
| Fourmeau et al. | Influence of indexation and impact energy on bit/rock interface law in percussive drilling: an experimental study | |
| McPhee et al. | Geomechanics tests | |
| CN113609702B (en) | Shale stratum well wall natural fracture propagation pressure calculation method | |
| Figueiredo et al. | Determination of in situ stresses using large flat jack tests |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |