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Nā Hihia Noi o nā Mea Hoʻohui Kemika ʻAila

01/01

Hoʻopau ʻana i ka luawai ʻaila ʻākau-ʻākau

I ka makahiki 2022, i mua o ka hopena o ka maʻi ahulau COVID-19, ua hoʻopau ke Kikowaena Hoʻopau Luawai ʻAila o Northwest i 24 mau papahana, me nā lako hana hoʻomalu luawai ʻaila a me ka hoʻomaʻemaʻe paipu ālai ʻaila kaumaha, e mālama ana i nā kumukūʻai kūʻai o 13.683 miliona yuan.

I ka wā e hoʻohana ʻia ai nā paipu ʻaila, e emi ana ke anawaena o ka paipu ma muli o nā hopena o ka wax, nā polymers, a me nā paʻakai, e hōʻemi ana i ke kahe ʻaila maka a hoʻopilikia i ka hana ʻaila maka. No laila, hoʻomaʻemaʻe pinepine nā ʻoihana wili i nā paipu i hoʻokahi manawa i ka makahiki. Ma hope o ka mālama ʻana i nā ʻūmiʻi wili o nā hui paipu, pono e hoʻomaʻemaʻe i nā paipu.

Ma ke ʻano laulā, he popo nā paipu kila i hoʻohana ʻia ma ke ʻano he mau paipu ʻaila ma nā ʻili o loko a me waho. Inā ʻaʻole i hoʻomaʻemaʻe ʻia, e haumia kēia i ka ʻaila hydraulic ma hope o ka hoʻohana ʻana, e hoʻopilikia ana i ka hana maʻamau o nā mea hana hydraulic. No laila, pono e wehe i ka popo ma ka ʻili o loko o nā paipu ma o ka holoi ʻakika. Hiki i ka holoi ʻakika ke wehe i ka popo ma ka ʻili o waho o nā paipu, he mea pono ia no ka hoʻopili ʻana i ka pena anti-popo i ka ʻili o waho o nā paipu, e hāʻawi ana i ka pale anti-corrosion lōʻihi. Hana pinepine ʻia ka holoi ʻakika me ka hoʻohana ʻana i kahi hopena waikawa me ka nui o 0% a 15%. ʻO Youzhu Company, ma ka hāʻawi ʻana i nā huahana corrosion inhibitor: UZ CI-180, kahi mea hoʻopaʻa corrosion acidizing kū i ke ana wela kiʻekiʻe no ka hoʻohana ʻana i ke kahua ʻaila. I ke kaʻina hana o ka acidizing a i ʻole ka pickling, e popo ka waikawa i ke kila, a ma ke ana wela kiʻekiʻe, e hoʻonui nui ʻia ka wikiwiki a me ka laulā o ka popo, no laila, i ka hana ʻana o ke kahua ʻaila, he mea nui loa ka pale ʻana i ka popo o nā paipu wela kiʻekiʻe, ʻaʻole pili wale i nā pono o ka hoʻohana ʻana i ke kahua ʻaila, akā pili pū kekahi i ka palekana hana. ʻO ke kekelē o ka ʻānai ʻakika ma nā paipu a me nā lako e pili ana i ka manawa pili, ka nui o ka ʻakika a me nā kūlana mahana, a pēlā aku. Loaʻa iā UZ CI-180 ke kūpaʻa wela kiʻekiʻe maikaʻi loa, a ma nā mahana a hiki i 350°F (180°C), hiki ke hoʻemi nui ʻia ka hopena pala o ka ʻakika ma ke kila ma nā mahana kiʻekiʻe ma lalo o ka luawai ma ka hoʻohui ʻana iā UZ CI-180 i ka hui ʻakika. Ua loaʻa iā Youzhu ka ʻike kiʻekiʻe mai ke Kikowaena Hoʻokele ʻAila ʻo Northwest no kāna mau papahana ma ka hoʻomaʻemaʻe ʻana i nā paipu, ka hoʻokumu ʻana i ka wai wili, a me ka mālama ʻana i nā lako.

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ʻO ka luawai Fengye 1-10HF

Aia ma ke Alanui ʻo Dong San ma ke kūlanakauhale ʻo Dongying, ʻo ka luawai ʻo Fengye 1-10HF ka luawai ʻaila shale mua loa e uhaʻi i ka pale pōʻaiapuni ʻeli 20 lā, e hoʻopau ana i 24 mau lā ma mua o ka papa manawa. ʻO ia kekahi o nā wahi hōʻike ʻaila shale aupuni ʻekolu i ʻae ʻia e ka National Energy Administration a ʻo ia hoʻi ka wahi hōʻike aupuni mua no ka ʻaila shale basin fault continental ma Kina. Ma ka hoʻopau ʻana i ka luawai 24 mau lā ma mua o ka papa manawa, ua mālama ʻia ma mua o 10 miliona yuan i nā kumukūʻai.

Ma muli o ke kokoke ʻana i kahi luawai kokoke i haki he 400 mika wale nō ka mamao a me ke kokoke ʻana i ka palena pōhaku ʻiliʻili, ua kū ka luawai Fengye 1-10HF i nā pilikia o ke komo ʻana o ka wai, ke kahe ʻana, a me ka nalowale ʻana o ka wai. Eia kekahi, ua hoʻopilikia nā mahana kiʻekiʻe ma ka lalo o ka luawai i nā mea hana like ʻole. Ua kālele ka hui papahana i ke kākoʻo ʻenehana ʻenekinia a me ka hoʻoponopono ʻana i nā pilikia ʻenehana koʻikoʻi. Ua hoʻoponopono mau lākou i nā palena e like me ka paʻakikī i ka wānana ʻana i nā wahi ʻono heterogeneity ikaika, nā palena o nā mea hana ma lalo o nā mahana a me nā kaomi kiʻekiʻe, a me ka noho pū ʻana o ka nalowale ʻana o ka wai wili a me ke kahe ʻana.

Ua hoʻomohala a hoʻopili lākou i kahi ʻōnaehana lepo synthetic-based e hoʻomaikaʻi i ka wai. Ma waena o kēia mau mea, ʻo ka mea hoʻohui wai wili o kēia manawa ʻo TF FL WH-1 Cement Fluid-loss Additives, i hoʻomohala ʻia e Youzhu hiki ke hana i kahi kiʻiʻoniʻoni kiʻekiʻe ma luna o ka ʻili o ka lua shale, e pale ana i ka filtrate wai wili mai ke komo ʻana i ka hoʻokumu ʻana, ua hoʻolālā ʻia ʻo TF FL WH-1 no ka hoʻohana ʻana i nā lua me nā mahana kaʻapuni lalo (BHCTs) ma 60℉(15.6℃) a i 400℉(204℃).

Hāʻawi ʻo TF FL WH-1 i ka kaohi ʻana i ka nalowale o ka wai API ma lalo o 36cc/30min me ka kaohi ʻana i ka neʻe ʻana o ke kinoea mai ke kahua. Ma ke ʻano laulā, pono ʻia he 0.6% a i 2.0% BWOC i ka hapa nui o nā slurries. Hoʻohana pinepine ʻia ia ma kahi dosage ma lalo o 0.8% BWOC ma laila e pale ai i ka waihona a hoʻopaʻa i ka luawai. Hoʻopaʻa pono kēia i nā pores shale a me nā microfractures, e pale ana i ka filtrate wai wili mai ke komo ʻana a me ka hōʻemi ʻana i ka hoʻoili ʻana o ke kaomi pore, e hoʻonui nui ana i ka pale ʻana o ka wai wili.

Hōʻike nā hopena o ka noi kahua he mea pale nui ka wai wili wai hana kiʻekiʻe, hoʻonui i ka wikiwiki o ka wili mīkini, paʻa i nā mahana kiʻekiʻe, pale i ka waihona wai, a he aloha i ke kaiapuni.

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ʻO ka luawai Bazhong 1HF a Sinopec

I Pepeluali 2022, ua hāpai hou ka luawai ʻo Bazhong 1HF a Sinopec, aia ma ka waihona ʻaila a me ke kinoea o ke kahawai ʻo Jurassic, i ka manaʻo hoʻolālā fracturing "fracturing, imbibition, and well shut-in integration". Ua hoʻomohala ʻia kēia ʻano hana e hoʻoponopono i nā ʻano o nā waihona one kahawai paʻa a me nā coefficient kaomi kiʻekiʻe. ʻO ka ʻenehana fracturing i hoʻomaikaʻi ʻia, ʻo ia hoʻi ka "ʻoki paʻa + plugging temporary and diversion + hoʻohui one ikaika kiʻekiʻe + hoʻonui ʻaila imbibition," i hoʻonui nui i ka hiki ke kahe o ka ʻaila a me ke kinoea ma lalo o ka honua a hoʻokumu i kahi kumu hoʻohālike fracturing hou, e hāʻawi ana i kahi kuhikuhi no ka fracturing nui o nā luawai ākea.

ʻO ka mea hoʻohui pohō wai wela kiʻekiʻe a Youzhuo, ka mea hoʻopili anti-collapse wela kiʻekiʻe, a me ka mea hoʻoponopono ʻano kahe wela kiʻekiʻe i loko o ka wai haki e lanakila i nā pilikia o ke kaomi a me ka pohō wai i hoʻokumu ʻia e ke kaomi pore hoʻokumu, ke kaumaha o ka luawai, a me ka ikaika o ka pōhaku. ʻO ka ʻenehana hoʻopili gel kūikawā, i loaʻa mai ke Kulanui ʻo Southwest Petroleum, e ʻae i ka gel kūikawā e hoʻōki aunoa i ke kahe ma hope o ke komo ʻana i ka papa pohō, e hoʻopiha ana i nā haki a me nā hakahaka hakahaka, e hana ana i kahi "plug gel" e hoʻokaʻawale i ka wai hoʻokumu kūloko mai ka wai luawai. He kūpono loa kēia ʻenehana no ka leakage koʻikoʻi i nā ʻano haki, porous, a me nā ʻano haki me ka pohō wai nui a me ka liʻiliʻi o ka hoʻihoʻi ʻana.

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Kahua ʻaila ʻo Tarim

Ma ka lā 30 o Mei, 2023, i ka hola 11:46 AM, ua hoʻomaka ke kahua ʻaila ʻo Tarim o ka China National Petroleum Corporation (CNPC) i ka ʻeli ʻana ma ka luawai ʻo Shendi Teke 1, e hōʻailona ana i ka hoʻomaka ʻana o kahi huakaʻi e ʻimi ai i nā ʻepekema geological a me nā ʻenekinia hohonu loa i nā hohonu e hiki ana i 10,000 mika. He manawa mōʻaukala kēia no ka ʻenekinia honua hohonu o Kina, e hōʻike ana i kahi holomua nui i ka ʻenehana ʻimi honua hohonu o ka ʻāina a me ka hoʻomaka ʻana o ka "au 10,000-mika" i nā hiki ke ʻeli.

Aia ka luawai ʻo Shendi Teke 1 ma Shaya County, Aksu Prefecture, Xinjiang, ma ka puʻuwai o ka wao nahele ʻo Taklamakan. He "papahana honua hohonu" koʻikoʻi ia na CNPC ma ke kahua ʻaila ʻo Tarim, e pili ana i ka ʻāina ʻaila a me ke kinoea hohonu loa ʻo Fuman, nona ka hohonu o 8,000 mika a me nā waihona o hoʻokahi piliona tone. Loaʻa i ka luawai ka hohonu i hoʻolālā ʻia he 11,100 mika a me kahi manawa hoʻolālā no ka ʻeli ʻana a me ka hoʻopau ʻana he 457 mau lā. Ma Malaki 4, 2024, ua ʻoi aku ka hohonu o ka ʻeli ʻana o Shendi Teke 1 ma mua o 10,000 mika, e lilo ana ia i luawai kū pololei ʻelua o ka honua a me ka luawai kū mua o ʻAsia e ʻoi aku ma mua o kēia hohonu. Hōʻike kēia pae holomua ua lanakila kūʻokoʻa ʻo Kina i nā pilikia loea e pili ana i ka ʻeli ʻana i nā luawai hohonu loa o kēia nui.

ʻO ka ʻeli ʻana ma ka hohonu o 10,000 mika kekahi o nā kahua paʻakikī loa i ka ʻenehana ʻenekinia aila a me ke kinoea, me nā pilikia loea he nui. He hōʻailona koʻikoʻi nō hoʻi ia o ka ʻenehana ʻenekinia a me nā hiki o nā lako. Ke kū nei i nā kūlana mahana a me ke kaomi koʻikoʻi o ka lua, ua hana ʻia nā holomua koʻikoʻi i nā wai ʻeli wela kiʻekiʻe, nā motika pale wela kiʻekiʻe, a me nā ʻenehana ʻeli kuhikuhi. Ua hoʻokō ʻia hoʻi nā holomua i nā lako laʻana koʻikoʻi a me ka hoʻopaʻa ʻana i ke kaula, nā kalaka haki ultra-kiʻekiʻe me ka mana 175 MPa, a me nā lako wai haki, i hoʻāʻo pono ʻia ma kahi. Ua alakaʻi kēia mau hoʻomohala ʻana i ka hoʻokumu ʻana o kekahi mau ʻenehana koʻikoʻi no ka ʻeli palekana a me ka maikaʻi a me ka hoʻopau ʻana i nā luawai hohonu loa.

I loko o ka ʻōnaehana wai ʻeli i hoʻohana ʻia ma kēia papahana, ua hoʻoponopono ʻia nā wahi wela kiʻekiʻe kikoʻī, kaomi kiʻekiʻe me ka hoʻomohala ʻana i nā mea hoʻemi pohō wai maikaʻi loa a me nā mea pale i ka palaho e mālama ana i nā waiwai rheological maikaʻi loa ma lalo o nā mahana kiʻekiʻe a maʻalahi hoʻi e hoʻoponopono a mālama. Ua hoʻonui pū nā mea hoʻohui kaohi pālolo i ka hiki ke hoʻohemo wai o nā ʻāpana pālolo ma lalo o nā kūlana mahana kiʻekiʻe loa, e hoʻomaikaʻi ana i ka hiki ke hoʻololi a me ke kūpaʻa o ka wai ʻeli.

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ʻAila shale Jimusar

ʻO ka ʻaila shale Jimusar ka ʻāina mua loa o Kina no ka hōʻike ʻana i ka ʻaila shale honua, aia ma ka ʻaoʻao hikina o ke Kai Junggar. Uhi ʻia kahi ʻāina he 1,278 kilomita kuea a he 1.112 biliona tone ka nui o nā kumuwaiwai i manaʻo ʻia. I ka makahiki 2018, ua hoʻomaka ka hoʻomohala nui ʻana o ka ʻaila shale Jimusar. I ka hapaha mua, ua hana ka ʻĀina Hōʻike ʻAila Shale Honua ʻo Xinjiang Jimusar i 315,000 tone o ka ʻaila shale, e hoʻokumu ana i kahi moʻolelo mōʻaukala hou. Ke hoʻolalelale nei ka ʻāina hōʻike i nā hana e hoʻonui i nā waihona ʻaila shale a me ka hana ʻana, me nā hoʻolālā e hoʻopau i 100 mau lua ʻeli a me 110 mau lua haki i ka makahiki 2024.

ʻO ka ʻaila shale, ʻo ia hoʻi ka ʻaila i hoʻopili ʻia i ka pōhaku shale a i loko o kona mau māwae, ʻo ia kekahi o nā ʻano ʻaila paʻakikī loa e unuhi. Loaʻa iā Xinjiang nā kumuwaiwai ʻaila shale waiwai me nā manaʻolana ākea no ka ʻimi ʻana a me ka hoʻomohala ʻana. Ua ʻike ʻo Kina i nā kumuwaiwai ʻaila shale ma ke ʻano he wahi koʻikoʻi no ka pani ʻaila i ka wā e hiki mai ana. Ua wehewehe ʻo Wu Chengmei, he ʻenekinia lua ma ke kikowaena noiʻi Geological o Jiqing Oilfield Operations Area ma Xinjiang Oilfield, ua kanu pinepine ʻia ka ʻaila shale Jimusar ma mua o 3,800 mika ma lalo o ka honua. ʻO ke kanu hohonu a me ka permeability haʻahaʻa loa e hoʻolilo i ka unuhi ʻana i mea paʻakikī e like me ka unuhi ʻana i ka ʻaila mai kahi pōhaku hoʻowali.

ʻO ka hoʻomohala ʻana i ka ʻaila shale terrestrial o Kina ma ke ʻano laulā e kū nei i ʻehā mau pilikia nui: ʻo ka mua, he kaumaha iki ka ʻaila, e paʻakikī ai ke kahe ʻana; ʻo ka lua, he liʻiliʻi nā wahi momona a paʻakikī ke wānana; ʻo ke kolu, ʻo ka nui o ka pālolo e paʻakikī ai ka haki ʻana; ʻo ka hā, ʻaʻole kūlike ka hoʻolaha ʻana, e hoʻopilikia ana i nā hana. Ua kāohi kēia mau mea i ka hoʻomohala nui a me ka pono o ka ʻaila shale terrestrial ma Kina. Ma ka papahana, no ka mālama ʻana i ka wai kahe fracturing, hoʻohana ʻia kahi mea hoʻohui hou e hōʻemi i ka haumia a hana hou i ka wai, e hoʻohuli hou iā ia i loko o ka wai fracturing no ka hoʻohana hou ʻana. Ua hoʻāʻo ʻia kēia ʻano hana ma nā lua ʻeiwa i ka makahiki 2023 me nā hopena maikaʻi loa. I Iune 2024, hoʻolālā ka papahana e hoʻohana i ka wai fracturing i hoʻohui hou ʻia i kahi hana fracturing nui.

ʻO ke kahua nui o ka papahana, ʻo ia nā ʻāpana lanahu, nā ʻāpana pōhaku lepo hina a me ka ʻeleʻele, he mau kahua i pili i ka wai. Ma ka poloka ʻaila shale Jimusar, ua lōʻihi ka ʻāpana puka hāmama o ka lua ʻelua, a ua hoʻolōʻihi ʻia ka manawa hoʻomoʻa ʻana o ke kahua. Inā hoʻohana ʻia ka lepo wai, hiki ke hiolo a me ka paʻa ʻole, akā ʻaʻole hana nā wai ʻeli ʻaila i nā hopena hydration. ʻO nā wai ʻeli emulsion aila-i-ka-wai, i ka wā paʻa, ʻaʻole hoʻi e hana i nā hopena hydration, no laila ʻaʻole hana nā wai ʻeli ʻaila i nā kaomi pehu hydration. Ua alakaʻi ka noiʻi i ka hoʻohana ʻana i kahi ʻōnaehana lepo ʻaila, me nā loina anti-hiolo a me nā ana penei: 1. Kaohi kemika: Ke kāohi nei i ka lakio aila-wai ma luna o 80:20 e hōʻemi i ke komo ʻana o ka wai i loko o ke kahua, e pale pono ana i ka pehu a me ka hiolo ʻana o nā ʻāpana lanahu a me nā kahua i pili loa i ka wai. 2. Ke kāpili kino: Hoʻohui i nā mea kaupaona e like me nā mea calcium ma mua i nā kahua nāwaliwali e hoʻoikaika i ka hiki ke lawe i ke kaomi o ke kahua a pale i ka leakage luawai. 3. Kākoʻo mīkini: Ke kāohi nei i ka nui ma luna o 1.52g/cm³, e hoʻonui mālie ana i ka nui a hiki i ka palena hoʻolālā o 1.58g/cm³ ma ka ʻāpana kūkulu. Hiki i nā mea kaupaona i hana ʻia e Youzhu Company ke hoʻokō i ka hopena i makemake ʻia, e hōʻoiaʻiʻo ana i ka hoʻopau maʻalahi a me ka holomua o ka ʻeli ʻana a me nā papahana hoʻopau luawai.

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