Internal corrosion emewo ka ADNOC na-ata ahụhụ containment ọnwụ na pipeline nke a nnukwu onshore mmanụ field.The ọchịchọ ikpochapụ nsogbu a na mkpa iji kọwaa a nkọwapụta na ihe ziri ezi ga-eme n'ọdịnihu streamline iguzosi ike n'ezi ihe management atụmatụ mere ka ubi ikpe ngwa nke grooved na flangeless elu-njupụta polyethylene (HDPE) lining technology na carbon ígwè ọkpọkọ.This akwụkwọ akụkọ na-akọwa ubi nke ọma na ngwa ngwa nke na-egosi na ngwa n'ọhịa nke carbon ígwè ọkpọkọ. Carbon steel pipes bụ ụzọ dị ọnụ ahịa iji belata mmebi nke ime n'ime pipeline mmanụ site na ikewapụ ọkpọkọ ígwè site na mmiri mmiri na-emebi emebi. Teknụzụ na-efu ọnụ na njikwa corrosion n'ime pipeline mmanụ.
Na ADNOC, Flowlines na-eme ka ọ dịruo ihe karịrị afọ 20. Nke a dị mkpa maka ịnọgide na-azụ ahịa na-ebelata ụgwọ ọrụ. Otú ọ dị, ịnọgide na-enwe ahịrị ndị a nke carbon ígwè na-eme ka ọ bụrụ ihe ịma aka n'ihi na ha nọ n'okpuru corrosion dị n'ime site na mmiri mmiri na-emebi emebi, nje bacteria, na ọnọdụ na-adịghị mma kpatara site na ọnụ ọgụgụ dị ala.
ADNOC na-arụ ọrụ pipelines na nrụgide nke 30 ruo 50 mmanya, okpomọkụ ruo 69 ° C na mmiri na-ebelata ihe karịrị 70%, na enweela ọtụtụ ikpe nke nkwụsị nke nkwụsị n'ihi nrụrụ n'ime ya na pipeline na nnukwu ọdụ ụgbọ mmiri. Ihe ndekọ na-egosi na akụ ndị a họọrọ naanị nwere ihe karịrị 91 eke mmanụ pipeline (302 kilomita) 50 gas pipeline (302 kilomita) na ihe karịrị 4 gas pipelines na ihe karịrị 1 kilomita. corrosion. Ọnọdụ ọrụ nke na-eme ka mmejuputa mmebi nke ime ụlọ gụnyere obere pH (4.8-5.2), ọnụnọ nke CO2 (> 3%) na H2S (> 3%), gas / mmanụ ruru karịa 481 scf / bbl, akara okpomọkụ karịa 55 ° C, na-asọba Line pressure n'elu 525 psi. Mmiri dị elu, na-erughị ala> 46 mmiri mmiri), obere mmiri ọkụ> 46 m. na ọnụnọ nke sulfate na-ebelata nje bacteria na-emetụtakwa usoro nkwụsịtụ. Streamline ndekọ ọnụ ọgụgụ na-egosi na ọtụtụ n'ime ahịrị ndị a na-ezighị ezi, na ihe dị ka 14 na-agbapụta n'ime afọ 5. Nke a na-ebute nsogbu siri ike ka ọ na-eduga na nkwụsịtụ na nkwụsịtụ nke na-emetụta mmepụta ihe.
Ọnwụ nke tightness na mkpa maka sizing na ihe ziri ezi ga-eme n'ọdịnihu flowline iguzosi ike n'ezi njikwa atụmatụ mere ka a ubi ikpe ngwa nke slotted na flangeless HDPE lining technology na 3.0 km nke Nhazi 80 API 5L Gr.B 6 inches. Streamlines iji kpochapụ nsogbu a. A na-ebu ụzọ tinye ule ubi na 3.527 km nke carbon, ígwè pipeline na-esote 0 km.
The Gulf Cooperation Council (GCC) mmanụ isi na Arabian Peninsula etinyewo HDPE liners dị ka n'oge dị ka 2012 maka crude mmanụ pipeline na mmiri ngwa.A GCC mmanụ isi na-arụ ọrụ na njikọ Shell na-eji HDPE linings maka mmiri na mmanụ ngwa ihe karịrị 20 afọ, na nkà na ụzụ bụ zuru ezu tozuru okè iji lebara esịtidem corrosion na mmanụ pipeline.
A malitere ọrụ ADNOC na nkeji nke abụọ nke 2011 wee tinye ya na nkeji nke abụọ nke 2012. Nleba anya malitere na April 2012 wee wuchaa ya na nkeji nke atọ nke 2017. A na-ezigakwa spools ule ahụ na Borouge Innovation Center (BIC) maka nyocha na nyocha. Ihe ịga nke ọma na ọdịda ọdịda setịpụrụ maka nrụnye ọkụ eletrik nke HDPEr maka obere ihe nrụnye nke HDPEr, bụ nke a na-eme ka ọ bụrụ na ọ bụ nrụnye nke zero. HDPE liner, na enweghị liner dara.
Akwụkwọ SPE-192862 na-akọwa atụmatụ na-eme ka ihe ịga nke ọma nke ubi trials.The na-elekwasị anya na-eme atụmatụ, Ịtọ pipelines, na nwale arụmọrụ nke HDPE liners nweta ihe ọmụma dị mkpa iji chọta iguzosi ike n'ezi management azum maka ubi-wide mmejuputa iwu nke HDPE pipelines na mmanụ pipelines.This technology na-eji na mmanụ pipelines na nnyefe Lines.Na mgbakwunye na ẹdude mmanụ pipeline nwere ike na-abụghị nke mmanụ pipelines maka ndị na-abụghị ndị mmanụ pipeline. pipelines.Na-akọwapụta usoro kachasị mma maka ikpochapụ nkwụsị nke ziri ezi nke pipeline n'ihi mmebi sitere na corrosion dị n'ime.
Akwụkwọ zuru ezu na-akọwa njedebe mmejuputa maka gaskets HDPE; Nhọrọ nke gasket, nkwadebe, na usoro nrụnye; ntapu ikuku na ule hydrostatic; ikuku ikuku annular na nlekota oru; nhazi usoro; na nkọwa zuru ezu post-ule ule results.The Streamline Life Cycle Cost Analysis table na-egosi atụmatụ e mere atụmatụ na-eri-irè nke carbon ígwè vesos HDPE linings maka ndị ọzọ corrosion mitigation ụzọ, gụnyere chemical injection na pigging, na-abụghị ọla pipes, na iferi carbon steel.The mkpebi na-eduzi a nke abụọ enwekwukwa ubi ule mgbe mbụ ule na-kọwara.Na mbụ njikọ nke na-eruba a na-eji flang njikọ na ngalaba nke mbụ na-ejikọta ọnụ nke ọma na ngalaba. mara na flanges na-adịkarị mfe ọdịda n'ihi nrụgide mpụga. Manual ventilashing na flange ebe ọ bụghị nanị na-achọ nlekota oge, nke na-abawanye ụgwọ ọrụ, ma na-ebutekwa ikuku gas na-ekpo ọkụ na ikuku. Na nke abụọ ikpe, a na-edochi flanges na welded, flangeless njikọ na-akpaghị aka refill usoro, na slotted liner na ikuku ikuku na njedebe nke na-emechi ọdụ ụgbọ mmiri ga-akwụsị.
Ọnwụnwa afọ 5 na-akwado na iji HDPE lining na ọkpọkọ ígwè carbon nwere ike ibelata corrosion dị n'ime ya na pipeline mmanụ site na ikewapụ ọkpọkọ ígwè na mmiri na-emebi emebi.
Tinye uru site n'inye ọrụ ahịrị na-akwụsịghị akwụsị, na-ewepụ pigging dị n'ime iji wepụ nkwụnye ego na nje bacteria, na-echekwa ọnụ ahịa site na iwepụ mkpa nke kemịkalụ mgbochi na biocides, na ibelata ọrụ.
Ebumnuche nke ule a bụ iji belata nrụrụ n'ime pipeline ma gbochie mfu nke isi ihe.
A na-eji eriri HDPE slotted nwere nkwonkwo flangeless welded na njikọ nke sistemu ịgba ọgwụ dị ka nkwalite dabere na nkuzi a mụtara site na mbido mbụ nke ọkwa HDPE larịị nwere obere vidiyo na ọnụ ọnụ flanged.
Dị ka ihe ịga nke ọma na ọdịda njirisi e debere maka onye na-anya ụgbọelu, ọ dịghị ntanye a kọrọ na pipeline kemgbe echichi. Nyocha ọzọ na nyocha nke BIC egosila na 3-5% dị arọ na-ebelata n'ime liner eji eme ihe, nke na-adịghị eme ka mmebi kemịkal mgbe afọ 5 gasịrị. Achọpụtara ụfọdụ scratches nke na-agbasaghị n'ime cracks. Ya mere, a na-atụ aro ka ị tụlee ọdịiche dị n'ichepụta corrision nke ime ime n'ọdịnihu. bụrụ isi ihe na-elekwasị anya, ebe nhọrọ mkpuchi HDPE (gụnyere mmelite achọpụtalarị dị ka iji njikọ dochie flanges na ịga n'ihu na mkpuchi na itinye valvụ nlele na mkpuchi iji merie ikuku gas nke mkpuchi) bụ ihe ngwọta a pụrụ ịdabere na ya.
Teknụzụ a na-ewepụ ihe iyi egwu nke nrụrụ dị n'ime ma na-enye nnukwu ego na mmefu arụ ọrụ n'oge usoro ọgwụgwọ kemịkal, ebe ọ bụ na ọ nweghị ọgwụgwọ kemịkal achọrọ.
Nkwenye n'ọhịa nke teknụzụ enwewo mmetụta dị mma na njikwa iguzosi ike n'ezi ihe nke ndị na-arụ ọrụ, na-enye ọtụtụ nhọrọ maka njikwa njikwa corrosion nke ime ime, na-ebelata ọnụ ahịa n'ozuzu ya na imeziwanye arụmọrụ HSE. A na-atụ aro flangeless grooved HDPE liners dị ka ihe ọhụrụ ụzọ ijikwa corrosion na oilfield streamlines.
A na-atụ aro teknụzụ mkpuchi HDPE maka mpaghara mmanụ na gas dị ugbu a ebe ntapu ọkpọkọ na nkwụsịtụ ahịrị injection mmiri na-adịkarị.
Ngwa a ga-ebelata ọnụ ọgụgụ nke ọdịda usoro ọdịda nke n'ime oghere na-akpata, gbatịa ndụ usoro mmiri, na ịbawanye mmepụta.
Mmepe saịtị ọhụrụ zuru oke nwere ike iji teknụzụ a maka njikwa corrosion in-line yana nchekwa ego na mmemme nlekota oru.
Edemede a bụ JPT Technical Editor Judy Feder ma nwee isi ihe sitere na akwụkwọ SPE 192862, “Nsonaazụ Ọnwụnwa Ọhụụ Innovative Field nke Flangeless Grooved HDPE Liner Application in a Super Gigantic Field for Oil Flowline Internal Corrosion Management” nke Abby Kalio Amabipi, Kuma SPE, Marwan Hamad Salem, na Tivajender Salem, ADC. Mohamed Ali Awadh, Borouge PTE; Nicholas Herbig, Jeff Schell na Ted Compton nke United Special Technical Services maka 2018 2018 na Abu Dhabi, November 12-15 Kwadebe maka Abu Dhabi International Petroleum Exhibition na Conference. A naghị enyocha akwụkwọ a.
The Journal of Petroleum Technology bụ akwụkwọ akụkọ flagship nke Society of Petroleum Engineers, na-enye nkọwa nke ikike na njirimara na ọganihu na teknụzụ nyocha na mmepụta ihe, okwu ụlọ ọrụ mmanụ na gas, na akụkọ gbasara SPE na ndị òtù ya.