MPD (ngwunye nrụgide jisiri ike) nkọwa IDC bụ usoro mgbapu mmiri na-emegharị emegharị na-eji chịkwaa nke ọma profaịlụ nrụgide afọ niile n'ime olulu mmiri. Ebumnobi ndị a bụ ịchọpụta oke gburugburu ebe nrụgide ala na ijikwa profaịlụ nrụgide hydraulic nke anular n'otu aka ahụ. Ebum n'obi MPD iji zere mwubata nke mmiri na-emepụta na-aga n'ihu n'elu. Mbubata ọ bụla metụtara ọrụ a ga-edobe n'enweghị nsogbu site na iji usoro kwesịrị ekwesị.
Ụlọ ọrụ anyị dị ka onye na-eweta ọrụ ruru eru maka MPD (Manage Pressure Drilling) technology na CNPC na CNOOC ， kemgbe iwebata ọrụ nkà na ụzụ Halliburton MPD na China na 2010, anyị achịkọtala ngụkọta nke ọrụ teknụzụ MPD 25 maka CNPC n'oge gara aga 13. afọ, gụnyere 8 olulu mmiri na omimi karịrị 8000 mita.
Ugbu a, ụlọ ọrụ anyị nwere otu ọrụ ọrụ aka nke ihe karịrị ndị ọrụ 60, gụnyere ndị injinia 17 nwere ahụmịhe karịrị afọ 10 na ọrụ MPD yana ndị injinia 26 nwere ihe karịrị afọ 5 nke ahụmịhe MPD. Ọ bụ otu n'ime ndị na-eweta ọrụ teknụzụ MPD kacha ike na China.
Uru nke MPD
| Ngwongwo | Uru | Nsonaazụ | Ikwu |
| Sekit Loop mechiri emechi | Enwere ike ịhụ mgbanwe ndị na-esi n'olulu mmiri pụta ihe fọrọ nke nta ka ọ bụrụ ozugbo | Na-ebelata ejighị n'aka | Achọpụtara igba na mfu n'ime nkeji ole na ole |
| Nwere nguzobe gas na mmiri mmiri na-agbada | Melite HSE | Ohere dị nta nke mmiri dị ize ndụ na-awụsa n'ala ebe mgbaba | |
| Mee ule FIT & LOT mgbe ị na-egwu ala | Mmụbawanye ihe ọmụma banyere usoro nrụgide | Ohere dị nta nke izute ọnọdụ ndị dị ize ndụ | |
| Tinye nrụgide azụ | Gbanwee nrụgide nke ọma n'ime nkeji ole na ole | Belata oge etinyere na mmemme njikwa nke ọma, kwalite HSE | Ọ dịghị mkpa na-ekesa na ọhụrụ apịtị |
| Obere oke | Gwuo windo apịtị dị warara | ||
| Usoro okirikiri na-aga n'ihu | Zere nrụgide nrụgide mgbe ị na-amalite mgbasa, na-edobe ọnọdụ olulu mmiri na-adịgide adịgide mgbe ị na-eme njikọ | Melite HSE, belata ohere ị ga-ada nke ọma | Ọdịmma olulu mmiri dị mma, zere nguzobe ihie, zere mgbasa ozi efu |
| Na-adọba ọnọdụ n'otu n'otu nso (mmetụta nrụgide dị ala n'etiti olulu mmiri na nhazi) | Mee ROP | Belata mmefu nrụnye | N'ihi ike "Chip Jide Down" belatara |
| Mee ndụ ntakịrị | Belata obere mmefu na oge etinyere eriri site na oghere | Obere WOB, obere ohere nke "ịgba bọọlụ" na-eme, obere iyi na ntakịrị | |
| Belata mfu mmiri | Belata mmefu ụrọ | O yikarịrị ka ọ ga-agafe nrụgide mgbaji n'oge a na-egwupụta ihe | |
| Belata ihe omume mfu/gba | Melite nchekwa na oge ejiri jikwaa mmemme njikwa nke ọma | N'ihi njikwa ka ukwuu nke usoro nrụgide na oke ala | |
| Gbatịa ihe mkpuchi, tọọ casings miri emi | Ebelatala ọnụọgụ nke eriri mkpuchi na nke ọma | ||
| Belata mmebi nhazi | Melite nrụpụta, belata oge ejiri na/ma ọ bụ kwalite arụmọrụ nke ọrụ mkpocha | A N'ihi nke belatara guzobe mmiri na urughuru mbuso agha | |
| Belata ihe omume nke ịrapara dị iche iche | Belata oge ejiri eriri arụ ọrụ, ịkụ azụ, ịkwọ ụgbọ ala, na ọnụ ahịa akụrụngwa hapụrụ ala | Ndị agha dị iche iche na-arụ ọrụ na eriri na-ebelata |
Okwu mmalite nke MPD ngwa:
Ebe njikwa nrụgide
Ihe mgbawa n'okpuru nrụgide dị mma site na asambodo ọha mmadụ nke CCS na DNV ship classification.
☆316L igwe anaghị agba nchara n'ime panel, kọmpat Ọdịdị, na keukwu ọrụ.
☆ Akụkụ kacha nta n'ogologo, obosara na ịdị elu: 3 mita x 2.6 mita x 2.75 mita.
Akpaakakpagbuousoro
Nwere asambodo China Classification Society (CCS).
☆ Enyere nrụgide: 35 MPa, dayameta: 103 mm
☆Otu isi na otu ndabere
☆Mkpụrụ mmiri na-asọpụta nke ọma dị elu: nleba anya n'ezi oge nke ọpụpụ ọpụpụ.
Sistemụ nweta na njikwa data PLC
Nwere asambodo China Classification Society (CCS).
Ogo mgbawa igbe nkesa ExdⅡBT4, ọkwa nchedo shei IP56.
Ogwe njikwa hydraulic
☆ Ejiri ya na saịtị na ọrụ njikwa akpaka dịpụrụ adịpụ.
☆ Ike ọkọnọ: ụdịdị atọ - eletriki, pneumatic na akwụkwọ ntuziaka.
☆ Kalama accumulator nwere asambodo ASME.
Rotary akara isi
☆Mbupụ flange 17.5, obere flange nlereanya 35-35.
☆ Dayameta 192/206mm, ọkwa nrụgide 17.5MPa.
☆Mkpuchi nrụgide nke mwekota bụ 21MPa, mmeghe mgbali bụ ≤7.5MPa, mmanụ injection mgbapụta mgbali bụ 20MPa, ngụkọta ike bụ 8KW.
Usoro nkwụghachi azụ
☆ Ọnọdụ ịnya ụgbọ ala: injin na-agba ọkụ n'ime.
☆ Oke nrụgide ọrụ: 35 MPa.
☆ Mgbanwe: 1.5-15 l / s
PWD (nrụgide ka a na-egwu ala)
☆ Oke nrụgide arụ ọrụ
☆Okpomọkụ kachasị arụ ọrụ: 175 ℃.
Oge nzipu: Dec-01-2023