Ntuziaka ngwa ngwa egwu egwu
Nhọrọ 1 bit
1.Biko gụọ nkọwa lithology na ntakịrị ndekọ nke olulu mmiri dị n'akụkụ, yana nyochaa njirimara nhazi.
2.Ịhọrọ ụdị kwesịrị ekwesị dị na lithology.
2 Nkwadebe tupu olulu mmiri
1.Inspecting gara aga bit maka ahụ mebiri emebi, furu efu cutters ma ọ bụ ntinye wdg Jide n'aka na ọ dịghị ihe ọ bụla junk na buttom oghere, na hichaa ala oghere ma ọ bụrụ na ọ dị mkpa.
A ghaghị iji nlezianya na-edozi 2.Bit ka ọ ghara imebi cutters na ihe siri ike.
3. Lelee ma ọ bụrụ na e nwere mmebi ọ bụla na bit cuttes na ọ bụrụ na e nwere ihe ọ bụla mba ọzọ n'ime bit.
4.Chee ma ọ bụrụ na ịwụnye nozzle bụ ihe achọrọ, ma dochie nozzles ma ọ bụrụ na ọ dị mkpa.
3 Na-edepụta ntakịrị
1.Clean bit threads ma tinye griiz na eri.
2. Dabara onye na-agbaji na bit, belata eriri egwu na ntụtụ ma tinye eriri.
3. Chọpụta bit na breaker na rotary bushing, na-eme ka-elu bit ka a na-atụ aro torque.
4 Ịbanye
1.Wepụ onye na-agbaji ma jiri nlezianya belata ntakịrị site na ngwaọrụ olulu mmiri ka ọ ghara imebi ya.
2.Shrinkage,ubu,dogleg na isi oche nke olulu mmiri kwesịrị ịkpachara anya mgbe bit site oghere oghere.
3.Start mgbapụta na okirikiri mkpọ mmiri mmiri na-asachapụ buttom oghere mgbe ịkụ ala na a n'ókè banyere 30 mita na ala nke oghere, na bugharia akuakuzinwo eriri na ala ọsọ ọ bụghị karịa 60rpm.
4.Abịaruo ala dịka ọkara mita.Kesaa nkeji 5 ruo 10 na mgbaba zuru oke.
5 Na-achịkọta
1.Reaming ogologo ngalaba nke undergauge oghere adịghị atụ aro.
2.If reaming ọrụ dị mkpa, a na-atụ aro ike na reaming ọrụ kwesịrị ime na kacha eruba ọnụego mgbasa, kpọmkwem arọ na bit adịghị gafere 90N / mm (dayameta), rotary ọsọ adịghị gafere 60 rpm ebe rapaara a zutere mgbe tripping. n'ime.
6 nkwụsịtụ Bit
1.overusing ngosi ngwá mgbe bit rutere n'okpuru ala.Ọ bụrụ na WOB na torque na-abawanye, nke ahụ na-egosi na ọ dị ntakịrị karịa 90N / mm, arọ-on = bit na 40 ruo 60rpm iji guzobe ụkpụrụ ala ala ma ọ dịkarịa ala ọkara mita.
2.Bit nkwụsịtụ agwụla ma ekwesịrị ịhazi RPM iji nweta nchikota oke mkpọpu ihe kacha mma.
3.Drilling parameters mmezi kwesịrị họrọ n'ime oke nke akwadoro paramita na-ezo aka na-atụ aro mkpọpu parameters njikarịcha usoro.
Tebụl nke nhazi ọkwa siri ike na nhọrọ bit
Roller cone bit | Koodu IDC nke diamond bit | Nkọwa nhazi | Ụdị nkume | Ike mkpakọ (Mpa) | ROP(m/h) |
Koodu IDC | |||||
111/124 | M/S112~M/S223 | Dị nro nke ukwuu: nguzobe dị nro na-arapara n'ahụ nwere ike mkpakọ dị ala. | Ụrọ Nkume siltstone nkume ájá | <25 | >20 |
116/137 | M/S222~M/S323 | Soft: nro guzobe na obere mkpakọ ike na elu drillability. | Nkume ụrọ Marl Lignite nkume ájá | 25-50 | 10 ~ 20 |
417/527 | M/S323~M/S433 | Ọkara dị nro: nguzobe dị nro ruo ọkara nwere ike mkpakọ dị ala na steak. | Nkume ụrọ Marl Lignite Nkume aja Nkume siltstone Anhydrite Tuff | 50-75 | 5-15 |
517/537 | M322-M443 | Ọkara: Ọkara ruo nguzobe siri ike nwere ike mkpakọ dị elu yana ogologo abrasive dị mkpa. | Nkume apịtị Nkume gbara ọchịchịrị acha anụnụ anụnụ | 75-100 | 2 ~ 6 |
537/617 | M422-M444 | Ọkara siri ike: nguzo siri ike na oke nwere ike mkpakọ dị elu na abrasiveness ọkara. | Nkume gbara ọchịchịrị Shale siri ike Anhydrite Nkume aja Dolomite | 100-200 | 1.5-3 |
Ntuziaka nke tricone Bits ChoiceỤdị nha nha nke Tricone
Nha ibe n'ibe
Nha Bit | PIN REG API | Torque | Ibu | |
Inch | mm | Inch | KN.M | Eze |
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 |
Ọnụ ego kacha nta | N/A |
Ọnụ ahịa | |
Nkọwa nkwakọ ngwaahịa | Ngwungwu mbupu ọkọlọtọ |
Oge Mbuga ozi | 7 ụbọchị |
Usoro ịkwụ ụgwọ | T/T |
Ikike inye | Dabere na usoro zuru ezu |