1.Chii chinonzi downhole operation?
Kushanda kweDownhole inzira yehunyanzvi yekuona kugadzirwa kwakajairwa kwemafuta uye matsime emvura mukati mekuongorora nekusimudzira nzvimbo yemafuta. Oiri negasi rechisikigo zvakavigwa zviuru kana zviuru zvemamita pasi pevhu zvakakosha zviwanikwa zvepasi pevhu. Mafuta emafuta aya anocherwa nemumigero yematombo anocherwa nepasi pevhu oiri kusvika pasi nemutengo mukuru. Mukugadzirwa kwenguva refu, matsime emafuta nemvura anoramba achikanganiswa nekuyerera kwemafuta uye gasi, kuitira kuti matsime emafuta ari kuchinja nguva dzose, zvishoma nezvishoma achichembera, uye marudzi akasiyana-siyana ekukundikana anoitika, zvichikonzera kukundikana kwezvakajairwa. kugadzirwa kwemafuta nemvura matsime. Kunyange akarega. Naizvozvo, zvinodikanwa kuita mashandiro ekudzika pasi pamatsime emafuta nemvura ane matambudziko nekutadza, kuitira kudzoreredza kugadzirwa kwakajairika kwematsime emafuta nemvura. Kushanda kweDownhole kunonyanya zvinosanganisira kugadzirisa matsime emafuta nemvura, kugadziridza matsime emafuta nemvura, kuvakazve dhamu uye kuongororwa mafuta.
2. Basa rekuchengetedza
Mukugadzira oiri uye jekiseni remvura mumatsime emafuta nemvura, nekuda kwekugadzirwa kwejecha nemunyu, kuvigwa, kuvigwa kwejecha repombi, kunamatira munyu, kana pombi tambo wax deposition, corrosion yepombi, kutadza kwepacker, tubing, kupomba kwemafuta. Nekuda kwezvikonzero zvakasiyana sekuputsika kwetsvimbo, matsime emafuta nematsime emvura haagone kugadzirwa zvakajairika. Chinangwa chekuchengetedza matsime emafuta nemvura ndechekudzoreredza kugadzirwa kwemafuta nematsime emvura kuburikidza nekushanda nekuvaka.
Oiri uye tsime remvura kugadzirisa kunosanganisira: mvura tsime bvunzo jekiseni, chisimbiso kutsiva, mvura absorption profiled kuyerwa; oiri tsime pombi yekuongorora, kuchenesa jecha, jecha kudzora, casing wax kukwesha, plugging mvura uye nyore downhole kurapwa tsaona uye mamwe workover mashandiro.
Pombi yekuongorora tsime remafuta
Kana pombi yepombi yemafuta iri kushanda mutsime, inorwiswa nejecha, wakisi, gasi, mvura uye zvimwe zvinopisa media, izvo zvinokuvadza zvikamu zvepombi, zvichiita kuti pombi ikundikane, uye tsime remafuta rinomisa kugadzirwa. Nokudaro, kutarisa pombi inzira inokosha yekuchengetedza kushanda kwakanaka kwepombi uye kuchengetedza kugadzirwa kwakajairika kwekupomba zvakanaka.
Chinhu chikuru chebasa chepombi yekuongorora tsime remafuta ndeyekusimudza nekudzikisa mudonzvo wekuyamwisa uye pombi yemafuta. Iyo reservoir pressure haina kukwirira, uye snubbing mudziyo unogona kushandiswa kuita downhole mashandiro. Kumatsime ane zvinhu zvinodonha kana kusimba kwepamusoro zvishoma, brine kana mvura yakachena inogona kushandiswa pakuchera mugodhi mushure mekunge tsime radzipwa, uye kuuraya madhaka kunofanira kudzivirirwa.
Kunyanya kucherechedzwa kunofanirwa kubhadharwa kune basa rekuongorora pombi: kuverengera kwakaringana kwekudzika kwepombi, inonzwisisika musanganiswa wetsvimbo yekuyamwisa uye tubing, uye kumhanya vanokwanisa sucker rods, tubing uye yakadzika tsime pombi, nezvimwewo, ari matanho akakosha ekuvandudza kushanda kwepombi.
Oilfield mvura jekiseni
Oilfield mvura jekiseni inzira inoshanda yekuchengetedza mafuta layer kudzvanywa, uye chiyero chinoshanda chekuchengetedza yakagadzikana kwenguva refu uye yakakwirira kugadzirwa muminda yemafuta, kuwedzera mafuta ekudzoreredza kukurumidza uye yekupedzisira kudzoreredza mwero.
Mushure mekunge chirongwa chekusimudzira jekiseni remvura chemunda wemafuta chatemerwa, kuti uwane ruzivo rwakakodzera senge jekiseni kudzvanywa uye jekiseni vhoriyamu yejekiseni rega rega, nhanho yejekiseni yekuedza inofanirwa kupfuudzwa pamberi pejekiseni remvura.
Jekiseni rekuedza: tsime remafuta risati raiswa mujekiseni remvura, bvunzo uye maitiro ekuvaka ejekiseni idzva remutsime kana mafuta ekufambisa jekiseni rinonzi jekiseni rekuedza. Kunyanya kune jekiseni remvura mutsime, ndiko kubvisa keke yedhaka, tsvina, uye tsvina pamadziro etsime uye pasi petsime idzva kana mafuta zvakanaka pamberi pejekiseni, uye sarudza indekisi yekunyudza yemvura yejekiseni remvura zvakanaka, kuisa. hwaro hwakanaka hwekushandiswa kwechirongwa chejekiseni remvura. Jekiseni rekuedza rakakamurwa kuita nhanho nhatu, dzinoti mvura yemvura, kugezesa zvakanaka, jekiseni rekutamisa uye rinodikanwa mamwe majekiseni.
Kuvhara mvura yakasarudzika
Mukuita kwekuvandudzwa kwenzvimbo yemafuta, mvura iri kunze kwemafuta inozokanganisa zvakanyanya basa rekusimudzira nzvimbo yemafuta, uye kunyange kudzikisa mwero wekupedzisira wekudzoreredza kwenzvimbo yemafuta. Mushure mekunge tsime remafuta raburitsa mvura, tanga waona mwero wemvura, uye wozoshandisa nzira yekuvhara mvura kuti uisunge. Chinangwa chekuvhara mvura ndechekudzora kuyerera kwemvura muchikamu chinoburitsa mvura uye kushandura mafambiro emvura mumafuta ari mafashama emvura, kuvandudza kushanda kwemafashama emvura, uye kuyedza kuita kuti kugadzirwa kwemvura kwenzvimbo yemafuta kuderedze kana. kudzikamisa kwenguva yakati rebei, kuitira kuchengetedza kuwedzera kwekugadzirwa kwemafuta kana Kugadzika kugadzirwa uye nekusimudzira nzvimbo yemafuta kupora kwekupedzisira.
Mvura yekuvhara tekinoroji inogona kukamurwa kuita mapoka maviri: mechanical water shutoff uye makemikari mvura shutoff. Kemikari mvura yekuvhara mvura inosanganisira yakasarudzwa yekuvhara mvura uye isingasarudze mvura yekuvhara uye kugadziriswa kwemvura inonwisa mufananidzo wemvura jekiseni matsime.
1.Mechanical mvura pluggingndeye kushandisa ma packers uye downhole anotsigira maturusi kuvhara mvura yekubuditsa layer mutsime remafuta. Rudzi urwu rwekuvhara mvura haruna kusarudza. Panguva yekuvaka, tambo yepombi inofanirwa kunge yakashongedzerwa kuita kuti packer chigaro chisimbiso chakarurama uye chakasimba, kuitira kuzadzisa chinangwa chekuvhara mvura. Iyi nzira yekuvharisa mvura inokwanisa kuvharisa danga repamusoro kuchera dhiri rezasi, kuvharisa iro rezasi kuti rigochera repamusoro, kana kunama iro repakati kusvika kumigumo yese uye nekusimbisa iyo miviri migumo yekuchera yepakati.
2.Kemikari mvura pluggingndiko kubaya kemikemikari yekuvharisa mugedhi remvura, uye kushandisa makemikari zvimiro zveplugging agent kana zvinhu zvinogadzirwa nekushandurwa kwemakemikari reactants mukuumbwa kuvhara nzira dzekubuda kwemvura yekuumbwa uye kuderedza kuchekwa kwemvura kwakazara. tsime remafuta.
Sarudzo yekuvharira mvura ndeyekuburitsa mamwe akakwira mapolymers kana zvimwe zvinhu zvisingaite zvinonaya nekuoma kana zvikasangana nemvura mukuumbwa. Iyo hydrophilic gene mupolymer ine hukama uye adsorption kumvura kana yasangana nemvura, uye inowedzera; inoderera kana ikasangana nemafuta, uye haina adsorption effect. Inorganic zvinhu zvinoumba kunaya uye kusimba kana uchisangana nemvura zvinogona kuvharira nzira yekubuda kwemvura yekuumbwa, uye haizoburitse kunaya kana kuomesa kana uchisangana nemafuta.
Isingasarudze mvura shutoff kazhinji inotsamira pane sedimentation zvimedu kuvharira kuumbwa pores. Iyi nzira yekuvhara mvura haingovhari nzira yemvura chete, asiwo inovhara mugero wemafuta.
Oiri tsime rekugadzirisa
Mukugadzira matsime emafuta, kazhinji nekuda kwetsaona dzegomba uye zvimwe zvikonzero, matsime emafuta nemvura haagone kugadzirwa zvakajairika, kunyanya mushure mekuitika kwekudonhedza uye kudonha zvinhu, kugadzirwa kwemafuta uye matsime emvura kuchaderedzwa kana kumira. , uye mumamiriro ezvinhu akaoma, matsime emafuta nemvura achacherwa. Naizvozvo, chiyero chakakosha kuve nechokwadi cheyakajairwa kugadzirwa kwemunda wemafuta kudzivirira kuitika kwetsaona dzepasi uye kubata nazvo nekukurumidza. Izvo zvakakosha zviri mukati mekugadziridzwa kwemafuta uye matsime emvura zvinosanganisira: kubata tsaona yepasi, yakaoma inodonha chinhu salvage, casing kugadzirisa, kutsausa, nezvimwe.
Kugadziridzwa kwematsime emafuta nemvura kwakaoma, kwakaoma, uye kunoda hunyanzvi. Uyezve, kune zvikonzero zvakawanda zvetsaona yemugomba, uye kune mhando dzakawanda dzetsaona dzepasi. Tsaona dzepaburi dzinowanzopatsanurwa muzvikamu zvitatu: tsaona dzehunyanzvi, tsaona dzepombi dzakanamira mugomba uye tsaona dzinodonha dzezvinhu. Paunenge uchibata nayo, zvinodikanwa kuti uzive chimiro chetsaona, tsvaga chikonzero chetsaona, uye tora anowirirana hunyanzvi matanho kuti uibate nemazvo. Yese nzira tsaona dzehunyanzvi dzinoitika panguva yekuita, uye dzinogona kugadziridzwa pachine nguva zvichienderana nechikonzero chetsaona panguva yekuvaka. Tsaona dzinonamira mugomba uye tsaona dzinowira pasi ndidzo tsaona huru dzemugomba dzinokanganisa kugadzirwa kwemafuta nematsime emvura. Njodzi. Iriwo nhamba huru yetsaona dzepasi pevhu.
Nguva yekutumira: Aug-11-2023
Kamuri 703 Chivako B, Greenland pakati, Hi-tech yekuvandudza zone Xi'an, China
86-13609153141
