Ngwaọrụ Nduzi Ọkụ Nduzi

Nsogbu atọ a ga-edozi na njikwa okporo ụzọ olulu mmiri:

① Hazie nhazi oghere ala (BHA) nke ọma iji chịkwaa ọnụego mgbanwe nke akụkụ ntụgharị oghere.

② Mepụta ma ọ bụ họrọ ngwaọrụ dị n'okpuru ala nke nwere ihe owuwu pụrụ iche iji chịkwaa ọnụego mgbanwe nke akụkụ azimuth oghere ahụ.

③ Họrọ ma chịkwaa ibu dị na bit (WOB) nke ọma iji chịkwaa ọsọ ntinye nke bit ahụ na oke ike nhazi, si otú a nweta njikwa mgbagọ dị mma.

Ngwaọrụ ọgbara ọhụrụ maka ịgba ígwè na-agụnyekarị ihe ndị e ji arụ ọrụ n'akụkụ ntụziaka, ihe mkpuchi ígwè na-abụghị magnetik (NMDC), ọkpọkọ ọkpọkọ dị arọ (HWDP), ihe ndị na-eme ka ihe sie ike, ihe nhicha oche isi, wdg.

I. Akụkụ Ntuziaka

1. Ụdị

Sub nke nwere usoro kwụ ọtọ: A na-eji ya eme ihe maka igwu olulu nwere usoro ịgba oghere gbagọrọ agbagọ (PCD).

Sub e tinyere n'akụkụ ụzọ: A na-eji ya eme ihe maka igwu olulu kwụ ọtọ nke nwere oghere na-aga n'ihu (PCD).

2. Nhazi bụ isi

1) Sub nke nwere ntụziaka kwụ ọtọ

Ihe mejupụtara ya: Ụlọ 4, aka uwe etiti 1, igodo ntụziaka 3, skru setịpụ 2

2) Sub nke nwere ntụpọ (Directional Bent Sub)

Ihe mejupụtara ya: Housing 4, centralizing slender 1, direction key 3, set skru 2. Ma e jiri ya tụnyere direction straight sub, o nwere structural bend angle λ, na ngụkọ usoro bụ:λ = 57.3 × (a – b) / d

II. Olu Igwe Mkpọchi Na-abụghị Magnetik (NMDC)

1. Ọrụ

Kpuchie ngwa nha magnet iji zere mmejọ nha.

Mee ọrụ nke olu ọkpọkọ nkịtị.

2. Ihe eji eme ihe eji eme ihe na-abụghị magnetik

Ihe ndị a gụnyere Monel alloy (nwere ọla kọpa, nickel, chromium, wdg), chromium-nickel alloy, austenitic alloy dabere na chromium-manganese, beryllium-copper alloy, SMFI na-abụghị magnetik, na ígwè manganese-chromium-nickel dị n'ime ụlọ.

3. Nhọrọ nke Ogologo Olulu Mmiri Na-abụghị Magnetik

Lee "Maapụ nke Ike Ọgbọ Igwe Mgbakwunye Ụwa kwụ ọtọ". Nhọrọ ezi uche dị na ya nke ogologo olu olu na-abụghị magnetik na-eme ka a tụọ azimuth magnetik ziri ezi na ngalaba oghere mepere emepe. Ka ike magnetik nke mpaghara ahụ dị elu, otú ahụ ka olu igwe mpịachi achọrọ na-adịte aka.

4. Nnyocha na Ojiji nke Kọla Igwe Na-abụghị Magnetik

1) Nha nhata nke elu silinda dị n'èzí nke olu ọkpọkọ na-abụghị magnetik ga-adị ≤ 2mm/m, nha nhata nke ogologo ya dum ga-adị ≤ 5mm/m.

2)Mkpọka dị n'elu ahụ paịpụ nke olu ọkpọkọ na-abụghị magnetik agaghị agafe oke ọkọ a kapịrị ọnụ.

3)Elu eriri ahụ ga-adị ire ụtọ, enweghị akara ndị na-adịghị nhata, mgbawa, mgbawa, ma ọ bụ mmebi ndị ọzọ a na-ekwe ka ha mee.

4）Ike nhazi nke eriri olu ọkpọkọ na-abụghị magnetik ga-adị ≥ ike ntụgharị kacha nta akọwapụtara.

5)A ga-enyocha ikike magnetik na nha anya magnetik nke olu ọkpọkọ na-abụghị magnetik otu ugboro n'afọ, nsonaazụ nyocha ahụ ga-agbaso nkọwapụta nke Ụkpụrụ Ọkpụkpọ Igwe Ọkụ Na-abụghị Magnetic (SY5145-86).

nke Atọ. Paịpụ Drill Dị Oke Ibu (HWDP)

A na-eji ya n'ala BHA iji dochie olu igwe eji egwu mmiri maka itinye nrụgide. N'ọrụ nduzi site na iji ngwaọrụ nduzi, ọ na-ebelata ebe kọntaktị na mgbidi olulu mmiri, na-ebelata iguzogide esemokwu, na-eme ka ọrụ mmịfe dịkwuo mfe, na-eme ka nchekwa olulu mmiri ka mma, ma na-enyere aka ijikwa paramita olulu mmiri ntụziaka. Ọ na-ejekwa ozi dị ka ngalaba mgbanwe n'etiti olu igwe eji egwu mmiri na ọkpọkọ igwe iji belata mgbanwe siri ike.

IV. Ihe na-eme ka ihe kwụsie ike

1.Ngwa nke ihe ndị na-eme ka ihe sie ike na-egwupụta ihe n'akụkụ ntụziaka

N'ime BHA ndị na-agbakọta na BHA ndị na-agbapụta, ihe ndị na-eme ka ihe sie ike na-arụ ọrụ dị ka ihe ndị na-agbapụta. Site n'ịgbanwe ọnọdụ nke ihe ndị na-eme ka ihe sie ike na BHA dị n'okpuru, enwere ike ịgbanwe ọnọdụ nrụgide nke BHA dị n'okpuru iji nweta njikwa okporo ụzọ dị mma.

2.Mee ka ike BHA dị n'ala dịkwuo elu iji mee ka mgbanwe oghere na azimuth kwụsie ike. Na BHA ndị nwere akụkụ njide, a na-eme ka ike nke BHA dị n'ala dịkwuo elu site n'ibelata anya dị n'etiti bit na ihe na-eme ka ihe kwụsie ike, na n'etiti ihe na-eme ka ihe kwụsie ike, ka e wee belata mgbanwe nrụgide nke BHA dị n'ala ma nweta mmetụta nke ijide mgbanwe ahụ.

3.Yiri olulu mmiri ahụ ka ọ gbanwee n'ọkpụkpụ olulu mmiri ahụ nke ọma ma dị ire ụtọ, nke na-enyere aka belata nsogbu ndị dị na olulu mmiri ahụ.

Rịba ama! Mgbe ị na-agba ihe na-eme ka ... ọ ghara ịdị mma, jiri nlezianya tụọ dayameta mpụta nke ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ọ ghara ịdị mma, lelee anya na ọnọdụ ya na ebe ọ na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe ghara ịdị mma na BHA. Oke dayameta mpụta nke ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe na-eme ka ihe ghara ịdị mma agaghị agafe 2mm.

Ụdị ihe nkwụnye ihe:

Ihe na-eme ka ọ kwụ ọtọ Ihe na-eme ka ọ kwụ ọtọ nke nwere lobe ise (atọ) nwere lobe

Ihe na-eme ka ihe kwụsie ike gburugburu nke lobe ise (lobe atọ)r Aka uwe stabilizer nnọchi

Ihe nkwụnye ihe na-eme ka ihe kwụsie ike nke lobe atọihe nkwụnye ike a na-agbanwe agbanwe

V. Ihe nhicha oche igodo

Ọdịdị geometric nke ihe nhicha isi oche yiri nke ihe na-eme ka ihe sie ike. Akụkụ ya n'ozuzu ya pere mpe karịa nke ihe na-eme ka ihe sie ike mana ọ buru ibu karịa nke ihe na-eme ka ihe sie ike. N'adịghị ka ihe na-eme ka ihe sie ike, ma ubu elu na ala nke ihe nhicha isi oche nwere elektrọd siri ike nke e ji ihe siri ike mee ka ọ bụrụ ọdịdị kọnịk, nke nwere ọrụ nke ịkpụ, ịtụgharị, na ihicha oche isi.

Ọnọdụ nke ihe nhicha isi oche dị na eriri ihe ndọba ahụ bụ dịka ndị a:

1. BHA Pụrụ Iche Maka Ịhichapụ Oche Isi

Nhazi BHA maka ihicha oche isi izugbe: Bit + obere olu ndọda (50)～60m) + ihe nhicha isi oche + ite mkpọpu + ọkpọkọ ọkpọkọ dị arọ (HWDP).

Maka ihicha oche ndị dị ogologo, enwere ike iji BHA ndị a: Bit + 1 nke olu akwa obere + ihe nhicha isi + otu ihe mkpuchi olu akwa obere + ihe mkpuchi nkwonkwo na-agbanwe agbanwe + ihe mkpuchi ọkpọkọ + ọkpọkọ ọkpọkọ dị arọ (HWDP).

Dayameta mpụta nke obere olu ọkpọkọ dị na eriri ọkpọkọ ga-adị ka dayameta mpụta nke njikọ ọkpọkọ ọkpọkọ eji eme ihe n'oge ọkpọkọ. Mgbe ị na-agba eriri ọkpọkọ ahụ ruo ihe dị ka mita 100 n'elu oche isi, chịkwaa ọsọ ọsọ; mgbe ị zutere iguzogide, malite ịtụgharị ma chịkwaa WOB nke ọma (ọ na-erughị 49kN).

2. Ihicha oche dị mkpa mgbe a na-egwu ala

N'ịkpọpụta ihe n'akụkụ ụzọ, malite na ngalaba nrụpụta, a na-ejikarị ihe nhicha isi oche eme ihe n'ime oghere ala BHA. Dịka usoro nke olulu mmiri a gwuru na nhazi si dị, a na-eji ihe nhicha isi oche eme ihe maka ịtụgharị ugboro ugboro na ngalaba "ụkwụ nkịta" ebe oche ndị dị mkpa nwere ike ịpụta, iji gbochie nhazi oche ndị dị mkpa.

VI. Valvụ mmiri

Isi ọrụ ya bụ igbochi mmiri ịgbapụta mmiri (nke nwere ike imebi ngwaọrụ nha oghere) na igbochi oghere ndị dị n'ime ya ka ọ ghara igbochi.

VII. Ogwe aka

Ngwaọrụ Nha Mgbe Ịkpọ Ọkụ (MWD) dị n'ime ya, na-enye ebe nha dị mma ma kwụsie ike maka MWD.

E nwere ahịrị dị elu n'akụkụ mgbidi mpụta nke hanger sub, nke a na-eji ahazi akụkụ dị elu nke progressive cavity drill (PCD) ma tụọ uru nkwụsị dị n'etiti MWD na PCD. A na-enye mgbidi dị n'ime nke sub ahụ igodo na-apụta, nke a na-eji mgbe edobere MWD. ​​Mgbe anaghị eji MWD, a ga-elebara anya na iwepụ hanger sub mbụ iji zere ịsacha igodo ahụ n'ihi oke mmiri na-eruba (nke nwere ike ibute ihe mberede na ala oghere).

Ite nke Asatọ.

Isi ọrụ ya bụ idobe nguzozi ọrụ nke eriri bit na drill, na inyere aka mee ka paịpụ rapara mgbe paịpụ rapara.

IX. Njikọ Na-agbanwe Agbanwe

Isi ọrụ ya bụ ichebe ite ahụ ma mee ka eriri ọkpọkọ ahụ dịkwuo mma n'oge a na-akụ ọkpọkọ.