Lu bit elo ilana
1 bit yiyan
1. Jọwọ kika lithology apejuwe ati bit igbasilẹ ti nitosi kanga fara,ati gbeyewo Ibiyi abuda.
2.Selecting yẹ iru ni ibamu pẹlu lithology.
2 Igbaradi ṣaaju liluho
1.Se ayewo ti tẹlẹ bit fun ara bibajẹ, sọnu cutters tabi awọn ifibọ ati be be lo Rii daju wipe o wa ni ko si eyikeyi ijekuje on buttom iho, ati ki o nu isalẹ iho ti o ba wulo.
2.Bit gbọdọ wa ni lököökan pẹlu abojuto ni ibere ko si bibajẹ cutters ati lile oludoti.
3.Check ba ti wa ni eyikeyi bibajẹ lori bit cuttes ati ti o ba ti wa ni eyikeyi ajeji ọrọ inu awọn bit.
4.Check ti fifi nozzle ba pade awọn ibeere, ki o rọpo nozzles ti o ba jẹ dandan.
3 Siṣamisi soke awọn bit
1.Clean bit awọn okun ati ki o lo girisi lori awọn okun.
2.Fit awọn fifọ si bit, kekere ti awọn liluho okun pẹlẹpẹlẹ awọn pin ati olukoni awọn okun.
3.Locate awọn bit ati fifọ ni Rotari bushing, ki o si ṣe-soke awọn bit lati wa ni niyanju iyipo.
4 Gbigbe sinu
1.Yọ fifọ kuro ati ki o farabalẹ dinku bit nipasẹ ẹrọ kanga daradara ki o má ba bajẹ.
2.Shrinkage, ejika, dogleg ati bọtini ijoko ti borehole yẹ ki o wa cautious nigbati bit nipasẹ òfo iho.
3.Start fifa ati omi liluho ọmọ lati wẹ iho buttom nigbati lu si aaye kan nipa awọn mita 30 si isalẹ ti iho, ati yiyi okun lilu ni iyara kekere ko ju 60rpm lọ.
4. Approach isalẹ to idaji mita.Paakiri fun iṣẹju 5 si 10 pẹlu sisan ni kikun.
5 Ngbaradi
1.Reaming gun ruju ti undergauge iho ko niyanju.
2.Ti iṣẹ ṣiṣe atunṣe jẹ pataki, a gbaniyanju ni pataki pe iṣẹ ṣiṣe atunṣe yẹ ki o ṣee ṣe pẹlu sisan oṣuwọn sisan ti o pọju, iwuwo pato lori bit ko kọja 90N / mm (iwọn ila opin), iyara rotari ko kọja 60 rpm nibiti o ti di ti pade nigbati o ba de. ninu.
6 Bit fifọ-ni
1.Overusing àpapọ èlò nigba ti bit approch bottomhole.Ti WOB ati iyipo ba pọ si, iyẹn fihan pe bit ti ni itetid ni isalẹhole. Lo ko ju 90N/mm, iwuwo –on = bit ati 40 si 60rpm lati fi idi apẹrẹ iho isalẹ o kere ju idaji mita.
2.Bit break-in ti pari ati pe o yẹ ki o tunṣe RPM lati gba apapo paramita liluho to dara julọ.
3.Drilling paramitales tolesese yẹ ki o wa ti a ti yan laarin awọn ifilelẹ ti awọn niyanju sile tọka si niyanju liluho paramita ti o dara ju ọna.
Tabili ti classification ti Ibiyi líle ati bit aṣayan
| Rola konu bit | IDC koodu ti Diamond bit | Ibiyi apejuwe | Rock iru | Agbara titẹ (Mpa) | ROP(m/h) |
| IDC koodu | |||||
| 111/124 | M/S112~M/S223 | Rirọ pupọ: Ibiyi asọ ti alalepo pẹlu agbara titẹ kekere. | Amo Siltstone okuta iyanrin | <25 | >20 |
| 116/137 | M/S222~M/S323 | Rirọ: Ibiyi rirọ pẹlu agbara titẹ kekere ati drillability giga. | Amo apata Marl Lignite okuta iyanrin | 25-50 | 10-20 |
| 417/527 | M/S323~M/S433 | Rirọ alabọde: rirọ si idasile alabọde pẹlu agbara titẹ kekere ati steak. | Amo apata Marl Lignite Iyanrin okuta Siltstone Anhydrite Tuff | 50-75 | 5-15 |
| 517/537 | M322~M443 | Alabọde:Alabọde si idasile lile pẹlu agbara irẹpọ giga ati ṣiṣan abrasive tinrin. | Mudstone Apata dudu shale | 75-100 | 2~6 |
| 537/617 | M422~M444 | Lile alabọde: lile ati idasile ipon pẹlu agbara titẹ agbara giga ati abrasiveness alabọde. | Apata dudu Shale lile Anhydrite Iyanrin okuta Dolomite | 100-200 | 1.5-3 |
Itọsọna ti tricone Bits YiyanTricone Bits Eyin Iru
Iwon die-die
| Iwọn Bit | API REG PIN | Torque | Iwọn | |
| Inṣi | mm | Inṣi | KN.M | Kgs |
| 3 3/8 | 85.7 | 2 3/8 | 4.1-4.7 | 4.0-6.0 |
| 3 1/2 | 88.9 | 4.2-6.2 | ||
| 3 7/8 | 98.4 | 4.8-6.8 | ||
| 4 1/4 | 108 | 5.0-7.5 | ||
| 4 1/2 | 114.3 | 5.4-8.0 | ||
| 4 5/8 | 117.5 | 2 7/8 | 6.1-7.5 | 7.5-8.0 |
| 4 3/4 | 120.7 | 7.5-8.0 | ||
| 5 1/8 | 130.2 | 3 1/2 | 9.5-12.2 | 10.3-11.5 |
| 5 1/4 | 133.4 | 10.7-12.0 | ||
| 5 5/8 | 142.9 | 12.6-13.5 | ||
| 5 7/8 | 149.2 | 13.2-13.5 | ||
| 6 | 152.4 | 13.6-14.5 | ||
| 6 1/8 | 155.6 | 14.0-15.0 | ||
| 6 1/4 | 158.8 | 14.4-18.0 | ||
| 6 1/2 | 165.1 | 14.5-20.0 | ||
| 6 3/4 | 171.5 | 20.0-22.0 | ||
| 7 1/2 | 190.5 | 4 1/2 | 16.3-21.7 | 28.0-32.0 |
| 7 5/8 | 193.7 | 32.3-34.0 | ||
| 7 7/8 | 200 | 33.2-35.0 | ||
| 8 3/8 | 212.7 | 38.5-41.5 | ||
| 8 1/2 | 215.9 | 39.0-42.0 | ||
| 8 5/8 | 219.1 | 40.5-42.5 | ||
| 8 3/4 | 222.3 | 40.8-43.0 | ||
| 9 1/2 | 241.3 | 6 5/8 | 38-43.4 | 61.5-64.0 |
| 9 5/8 | 244.5 | 61.8-65.0 | ||
| 9 7/8 | 250.8 | 62.0-67.0 | ||
| 10 | 254 | 68.0-75.0 | ||
| 10 1/2 | 266.7 | 72.0-80.0 | ||
| 10 5/8 | 269.9 | 72.0-80.0 | ||
| 11 1/2 | 292.1 | 79.0-90.0 | ||
| 11 5/8 | 295.3 | 79.0-90.0 | ||
| 12 1/4 | 311.2 | 95.0-102. | ||
| 12 3/8 | 314.3 | 95.0-102.2 | ||
| 12 1/2 | 317.5 | 96.0-103.0 | ||
| 13 1/2 | 342.9 | 105.0-134.0 | ||
| 13 5/8 | 346.1 | 108.0-137.0 | ||
| 14 3/4 | 374.7 | 7 5/8 | 46.1-54.2 | 140.0-160.0 |
| 15 | 381 | 145.0-165.0 | ||
| 15 1/2 | 393.7 | 160.0-180.0 | ||
| 16 | 406.4 | 200.0-220.0 | ||
| 17 1/2 | 444.5 | 260.0-280.0 | ||
| 26 | 660.4 | 725.0-780.0 | ||
| Opoiye ibere ti o kere julọ | N/A |
| Iye owo | |
| Awọn alaye apoti | Standard Export Ifijiṣẹ Package |
| Akoko Ifijiṣẹ | 7 ọjọ |
| Awọn ofin sisan | T/T |
| Agbara Ipese | Da lori Apejọ Alaye |
