Sistemụ Koodu nhazi ọkwa IDC Tricone Bit

Sistemụ Koodu nhazi ọkwa IDC Tricone Bit

A na-ejikarị chaatị nhazi ọkwa nke IDC roller cone drilling bit iji họrọ nke kacha mma maka otu ngwa. Chaatị ndị a nwere ntakịrị dị n'aka ndị na-emepụta ibe n'ibe anọ. A na-ekewa ibe ha dịka koodu International Association of Drilling Contractors (IADC) siri dị. A na-akọwa ọnọdụ nke bit nke ọ bụla na chaatị ahụ site na ọnụọgụ atọ na otu agwa. Usoro nke mkpụrụedemede ọnụọgụ na-akọwa "Series, Ụdị na atụmatụ" nke bit. Ihe odide agbakwunyere na-akọwapụta atụmatụ ndị ọzọ.

Ntụaka CODE IAC

Ọnụọgụ mbụ:

1, 2 and 3 designate Steel Tooth Bits, with 1 for soft, 2 for medium and 3 for hard formations.

4, 5, 6, 7 and 8 designate Tungsten Carbide Insert Bits for varying formation hardness with 4 being the softest and 8 the hardest.

Ọnụọgụ nke abụọ:

1, 2, 3 and 4 help further breakdown the formation with1 being the softest and 4 the hardest.Ọnụọgụ nke atọ:

Ọnụọgụ a ga-ekewa bit ahụ dabere n'ụdị bearing/akara yana nchebe mkpuchi pụrụ iche dị ka ndị a:

1.Standard oghe na-ebu roller bit

2.Standard open bearing bit for air drilling only

3.Standard open bearing bit with nlele nchedo nke a kọwara dị ka

ihe ntinye carbide na ikiri ụkwụ nke cone.

4.Roller mechiri emechi ibu bit

5.Roller mechiri emechi ihe na-ebu ihe na ntinye carbide na ikiri ụkwụ nke cone.

6.Journal akara akara ibu bit

7.Journal mechiri emechi ihe na-ebu ihe na ntinye carbide na ikiri ụkwụ nke cone.

mkpụrụedemede anọ/akwụkwọ ozi mgbakwunye:

A na-eji koodu mkpụrụedemede ndị a na ọnọdụ ọnụọgụ anọ iji gosi atụmatụ ndị ọzọ:

A -- Ngwa ikuku

B -- Akara Mgbapụta Pụrụ Iche

C -- Central Jet

D -- njikwa ngbanwe

E -- Jet gbatịrị agbatị

G -- Nchekwa nlele ọzọ

H -- Ngwa kwụ ọtọ

J - Ntugharị ụgbọ elu

L - akwa akwa akwa

M -- moto Ngwa

R -- welds agbasiri ike

S -- Standard Tooth Bit

T -- Mpekere cone abụọ

W -- Ọdịdị mbelata nke emelitere

X -- Tinye ihe mkpuchi

Y -- Ntinye conical

Z -- Ụdị ntinye ọzọ

Okwu a "dị nro" "ọkara" na "ike" bụ nhazi nke ukwuu nke usoro mbara ala nke a na-abanye. N'ozuzu, ụdị nkume dị n'ime ụdị ọ bụla nwere ike ịkọwa dị ka ndị a:

Nhazi dị nro bụ ụrọ na ájá na-ejikọtaghị ọnụ.

Enwere ike iji WOB dị ala gwuo ihe ndị a (n'etiti 3000-5000 lbs / na nke dayameta bit) na RPM dị elu (125-250 RPM).

Ekwesịrị iji ọnụ ọgụgụ buru ibu na-asọba ihicha oghere nke ọma ebe ọ bụ na a na-atụ anya na ROP ga-adị elu.

Otú ọ dị, ọ̀tụ̀tụ̀ dị ukwuu na-asọpụta nwere ike ime ka ịsacha mmiri (lelee ebe a na-akwọcha ọkpọkọ). A na-atụ aro ọnụego 500-800 gpm.

Dịka ọ dị n'ụdị ụdị bit niile, ahụmịhe mpaghara na-ekere òkè dị ukwuu n'ịchọpụta paramita ọrụ.

Nhazi nke etiti nwere ike ịgụnye shales, gypsum, shaley lime, ájá na siltstone. 

N'ozuzu, WOB dị ala ezuola (3000-6000 lbs / in of bit dayameta).

Enwere ike iji ọsọ rotary dị elu na shales mana nzu chọrọ ntakịrị ntakịrị (100-150 RPM).

A nwekwara ike igwu nkume ndị dị nro n'ime paramita ndị a.

Ọzọ elu eruba-ọnụego akwadoro maka oghere ihicha

Nhazi siri ike nwere ike ịgụnye limestone, anhydrite, sandstone siri ike nwere eriri quartic na dolomite.

Ndị a bụ okwute nke ike mkpakọ dị elu ma nwee ihe abrasive.

Enwere ike ịchọrọ WOB dị elu (dịka n'etiti 6000-10000 lbs / na dayameta bit.

N'ozuzu, a na-eji ọsọ rotary dị nwayọọ nwayọọ (40-100 RPM) iji nyere aka na-egweri/ịkụpịa ihe.

A na-eji ihe ntinye ma ọ bụ obere diamond gbachie akwa quartzite siri ike site na iji RPM dị elu na obere WOB. Ọnụego nrịbama anaghị adị oke egwu n'ụdị nhazi ahụ.