Njira Zapadziko Lonse Zowongolera Kutayika Kwambiri ndi Konse
Dongosolo la Foam Wedge Lost Circulation System, lomwe limatha kutseka ma fractures okwana ma microns 40,000, lagwiritsidwa ntchito bwino ndi Halliburton m'maiko awiri aku Middle East (Oman ndi UAE).
Mavuto mu Kusweka kwa Mafupa/Mapangidwe a Mafupa a Vugular
Kuthetsa kutayika kwakukulu mpaka kwathunthu kwa ma fractures achilengedwe kapena vugular kwakhala kovuta kwa nthawi yayitali, makamaka ku Middle East. Zipangizo zodziwika bwino zotayika kwa magazi (LCMs) nthawi zambiri zimalephera chifukwa cha kusatsimikizika kwa kukula kwa ma fracture absorber. Komabe, Halliburton's Foam Wedge System, kuphatikiza High Fluid Loss Squeeze (HFLS) ndi Reticulated Foam LCM (RFLCM), yakhala yothandiza, yothandizidwa ndi kupambana komwe kwayesedwa m'munda.
Kapangidwe ndi kuwunika kwa chithandizo cha LCM kunachokera pa mayeso opambana a labotale, omwe adawonetsa kutseka kwa ma fractures mpaka ma microns 40,000.
HFLS ndi RFLCM Dual Technology: Zotsatira za Laboratory ndi Field mu Mayiko Awiri a ku Middle East (Oman ndi UAE)
Tsatanetsatane uwu ukuphatikizapo mawonekedwe a kapangidwe kake, kukula kwa chitsime, kuchuluka ndi kuchuluka kwa matope a LCM, komanso njira zopangira ndi kupopera zomwe zagwiritsidwa ntchito. Kupambana kwa kugwiritsa ntchito kunawonetsedwa ndi kuchuluka kwa kutayika kwa zinthu zisanachitike komanso zitatha kukonzedwa pansi pa mikhalidwe yonse ya chitsime chosasunthika komanso chosinthasintha, zomwe zikuwonetsa nthawi yosungira kubowola.
Ku Oman, cholingacho chinakumana ndi kutayika kwa static mpaka migolo 125 pa ola limodzi (bbl/hr) ndi kutayika kwa dynamic kwa 280 bbl/hr (magaloni 550 pamphindi, gpm) kukhala "kutayika konse." Kapangidwe kake kanali ndi vugular porosity. Cholinga cha kasitomala chinali kupopa yankho labwino la LCM kuti lithetse kutayika msanga atafika pamlingo wonse (TD) ndikuchita ntchito zodula mitengo popanda kufunikira mapulagi a simenti, motero kusunga nthawi yobowola. Mankhwala a HFLS ndi RFLCM anasakanizidwa m'madzi, kupopedwa kudzera mu sub yozungulira, ndikuyikidwa mu njira yopopedwa yozungulira ndi kupanikizika pang'onopang'ono. Pambuyo popopedwa, kutayika konse kwa static ndi dynamic kunachepetsedwa kufika pa zero, zomwe zinalola kuti ntchito zipitirire bwino.
Ku UAE, cholingacho chinagwiritsa ntchito bwino madzi obowola omwe si amadzi. Pansi pa mikhalidwe yosasunthika, kutayika kunayambira pa 85 mpaka 200 bbl/hr, pomwe pansi pa mikhalidwe yosinthasintha (kuchuluka kwa kuyenda kwa 990–1250 gpm), kuchuluka kwa kutayika kunali 150 bbl/hr. Kupangidwako kunadziwika ndi kusweka kwachilengedwe. Zigawo za HFLS ndi RFLCM zinasakanizidwa mu mafuta oyambira, kupopedwa kudzera mu sub yozungulira, ndikuyikidwa mu njira yozungulira yopopera ndi kupanikizika pang'onopang'ono. Pambuyo popopera, kuchuluka kwa kutayika kwa static kunachepetsedwa kufika pa 2–15 bbl/hr, ndipo kuchuluka kwa kutayika kwa dynamic kunachepetsedwa kufika pa 25 bbl/hr (kutsika kufika pa 5 bbl/hr panthawi yobowola), zomwe zinalola kuti ntchito ziyambirenso.
Mu mayeso aukadaulo, kuthekera kotseka ma fracture/vug oyeserera a labotale okhala ndi mipata yokwana ma microns 40,000 kunapereka chidaliro chakuti kuphatikiza kwa LCM kumatha kuthana ndi kukula kosatsimikizika kwa downhole/vug. Kugwiritsa ntchito bwino kwa munda kunathetsa kutayika kwakukulu mpaka kwathunthu, kutsimikizira njira ya HFLS/RFLCM iwiri. Ubwino waukulu wa ukadaulo wabwino wa LCM ndikuchepetsa ndalama zomangira zitsime pochepetsa nthawi yobowola yomwe imagwirizanitsidwa ndi kuthana ndi kutayika kwakukulu mpaka kwathunthu.
Poyerekeza ndi njira yotayika ya magazi yomwe yatchulidwa pamwambapa, kampani yathu yapanga zinthu ziwiri payokha: High Fluid Loss Squeeze (HFLS) agent FC-FLS ndi Reticulated Foam LCM (RFLCM) agent FC-LCM, zonse ziwiri zomwe zimagwira ntchito mofanana ndi Halliburton's Foam Wedge Lost Circulation System.
Nthawi yotumizira: Mar-03-2025