Nkeji
1. Okwu Mmalite nke ọgụgụ isi Artificial na Nnwale ịdọ aka ná ntị na Petroleum na Natural Gas Engineering 2. Data ịkwọ ụgbọ mmiri, ndekọ ọma na nkọwa Petrophysical 3. Nyocha data Seismic, Mwepụta njiri mara na Nkọwa Nhazi 4. Njiri mara ebe nchekwa, Nlele Facies na Geostatistics 5. Amụma Mmepụta, Nyocha Curve Drawdown na Atụmatụ Ndokwa 6. Ịkụ ala na mmepụta kacha mma 7. Ndokwa amụma na ntụkwasị obi akụrụngwa 8. HSE, Usoro nchekwa na ihe ize ndụ arụ ọrụ 9. Nleba anya Pipeline, Nchọpụta ihi mmiri na njikwa iguzosi ike n'ezi ihe 10. Nyocha data na Python: Oil-Gas Workflows 11. Usoro iwu, ụkpụrụ omume, nzuzo data yana ọchịchị nkwenye zuru oke
Nkeji 5 / 11

Amụma Mmepụta, Nyocha Curve Drawdown na Atụmatụ Ndokwa

Uru:

  • Ikike ịkọwa amụma mmepụta na amụma amụma EUR na drawdown curve analysis (DCA), ụdị Arps na mmụta igwe.
  • Ikike itinye AI na nhicha data mmepụta, nhọrọ nchịkwa na nhazi nhazi (1P / 2P / 3P)
  • Ikike iji nyochaa mpụta amụma mmepụta na oke mbelata anụ ahụ, nguzozi ihe yana ụkpụrụ mkpesa

Mgbe a na-etinye olulu mmiri n'ime mmepụta, ọ na-enye ọnụego kachasị elu n'ụbọchị mbụ ma na-ebelata ka oge na-aga; n'ihi na nrụgide mmiri na-ebelata ma mmiri na-agwụ ike. Ịtụ, ịṅomi na ịgbatị ọdịda a n'ọdịnihu bụ obi nke akụ na ụba mmanụ-gas. Mbelata Curve Analysis (DCA) bụ ịkọpụta mmepụta n'ọdịnihu yana mkpokọta iweghachite (EUR - Estimated Ultimate Recovery) site n'itinye usoro mgbanaka mgbakọ na mwepụ na akụkọ mmepụta. Atụmatụ a tụgharịrị ozugbo na ọnụ ọgụgụ idobere ya mere uru ụlọ ọrụ, mkpebi itinye ego na nkwupụta iwu. N'ime nkeji a, anyị na-eji ọgụgụ isi eme ihe iji hichaa data mmepụta, họrọ ihe nlegharị anya wee mepụta ọnọdụ. Iwu na-adịghị agbanwe agbanwe: EUR bụ atụmatụ, ọ bụghị eziokwu; Ọ dịghị mgbe ekwuwapụta ya na-enweghị anwale ya na anụ ahụ drawdown ókè na ihe nguzozi, karịsịa site n'itinye n'akụkụ nwere nchekwube.

Ka anyị mara ụdị Arps

DCA oge gboo gbadoro ụkwụ n'ụdị drawdown atọ nke Arps:

  • Exponential drawdown: A na-edozi ọnụego drawdown; Ọ bụ ihe nlere anya (EUR kacha ala). Ọ dị nso na omume mbubreyo.
  • Hyperbolic drawdown: Ọnụ ọgụgụ nke drawdown na-ebelata oge; A na-achịkwa ya site na isi b. b=0 dabara na nkowa, b=1 dakọtara na harmonic. Ọtụtụ olulu mmiri na-adị n'oge mmalite ruo n'etiti.
  • Ndabere nkwekọ: b=1; ihe kacha nwee nchekwube (EUR kacha elu). Ọ na-adịkarịghị irè maka ndụ dum.

Isi ihe dị mkpa bụ isi b. Ka b na-abawanye, nkwụsịtụ na-ebelata ma EUR na-eto. Ọ bụrụ na a na-ewere b>1 ma wepụ ya ruo ogologo oge, ọdịda ahụ ga-ebelata n'eziokwu na EUR ga-agbawa. Nke a bụ mmejọ nke enweghị nchekwube kachasị na ụlọ ọrụ.

Akpachara anya: N'olulu mmiri ndị a na-ahụkarị b na-abụkarị 0-0.5; N'ime olulu mmiri na-adịghị mma dị ka shale gas / mmanụ siri ike, b>1 nwere ike ịhụ na mmalite oge, ma a pụghị iburu ya ruo ogologo oge. A na-etinye oke mbelata kacha nta (ọdịda njedebe) mgbe ọ bụla n'oge ikpeazụ. Ọ bụrụ na AI wepụrụ afọ 30 na b=1.3, nke a bụ ọkọlọtọ uhie.

Nhazi nhazi

A na-ekewa amụma mmepụta ahụ n'ọkwa ejighị n'aka mgbe a na-atụgharị na ebe nchekwa:

  • 1P (Egopụtara): ntụkwasị obi dị elu; jiri ezi uche kwenye na a ga-emepụta ya n'ụzọ akụ na ụba. Odika P90 (ihe gbasara 90% nke opekata mpe nke ukwuu).
  • 2P (Egosipụtara + Enwere ike): ọnọdụ dị n'ọkara, gburugburu P50.
  • 3P (Egosipụtara + Enwere ike + ekwe omume): Ọnọdụ nwere nchekwube, ihe dịka P10.

A na-achịkwa nhazi ọkwa a site n'ụkpụrụ dị ka PRMS (Sistemụ Njikwa akụrụngwa mmanụ) na SEC ma bụrụkwa ọrụ nke onye nyocha tozuru etozu. AI nwere ike inye aka n'ịmepụta ọnọdụ mana enweghị ike 'ịkọwa' ebe nchekwa ahụ.

Nzọụkwụ site nzọụkwụ: DCA na-arụ ọrụ

  1. Kpochapụ data. Oge mmechi (mmechi nke ọma), njehie nha, ntinye aka (aciding, mmecha) na-agbagọ usoro mmepụta. Tinye akara ndị a; AI nwere ike nyochaa maka outliers, mana ị ga-ekpebi.
  2. Họrọ usoro drawdown. Mbufe na-agafe agafe ma ọ bụ oke na-achị oke? DCA bụ ntụkwasị obi naanị n'oge oke oke.
  3. Mee ihe nlereanya. Dabara paramita Arps (ọnụọgụ mbido mbụ, ọnụego mbelata, b); Debe b n'ime oke anụ ahụ.
  4. Tinye njedebe njedebe. Gbanwee na mwepu kacha nta n'oge ngwụcha; zere hyperbolic extrapolation enweghị ngwụcha.
  5. Detuo ya. Mepụta P90/P50/P10 EUR.
  6. Nyochaa. Jiri nguzozi ihe na nwalee onye agbata obi nke ọma.

Obere Obere Atọ: Site na ọnụọgụ

Ikpe 1 - isi b ọnyà. N'otu olulu mmiri siri ike, AI dabara b = 1.5 ruo ọnwa 18 mbụ nke data wee wepụta ya ruo afọ 30; EUR mụbara ruo 620 puku barel. Mgbe injinia etinyere mwepu njedebe (8% / afọ), EUR gbadara ruo 410 puku barel. Ihe nguzozi ihe na ntụnyere ubi kwadoro gburugburu 400 puku. Nnabata kpuru ìsì ga-ebufe ihe nchekwa ahụ site na 50%.

Ikpe 2 - nhicha data ruru unyi. Ogologo oge abụọ nke nkwụsịtụ (mmezi) pụtara dị ka ọnụ ahịa dị ala na usoro mmepụta nke ọma; Mwepụta nke dabara na data raw gosipụtara "mmebi ngwa ngwa" nke na-adịghị adị n'ezie. Akara akara AI; Mgbe e wepụrụ nkwụsị nkwụsị na ụbọchị mmepụta ihe na-emekarị, ọnụ ọgụgụ mbelata ahụ wee bụrụ ihe ezi uche dị na ya (14% / afọ kama 22% / afọ). Nhicha gbaziri amụma.

Ikpe 3 - Transient eruba ọdịda. Onye injinia tinyere DCA na ọnwa 3 mbụ nke mmepụta; Oge a ka na-adịru nwa oge (mmetụta oke ala amalitebeghị). AI siri na mgbago mgbago mbụ a nwere ọnụ ọgụgụ mbelata dị elu yana obere EUR. Nnyocha e mere mgbe echere maka mgbanwe na oge nke oke ókè nyere ezigbo mbelata. Ịmara mgbe DCA dị irè dị mkpa.

Ngwa ngwa adịghị ike / Ike ngwa ngwa

Ngwa ngwa adịghị ike:

Dakọta usoro ihe ndọpụta na data mmepụta a wee gwa ebe nchekwa.[data]

Mgbasa ozi siri ike:

DRAFT drawdown curve analysis on the following (anonymised) monthly production data. Iwu: - Mbụ akara oge mechiri emechi / nkwụsịtụ, ntinye aka na ndị na-apụ apụ; Wepụ ihe ndị a n'ime nrọ ma dee ihe ziri ezi. - Nyochaa ma data ahụ ọ na-adịru nwa oge ma ọ bụ na oke oke na-achị; DCA dị irè naanị n'oge oke oke, gosi ma ọ bụrụ na ọ bụghị ihe kwesịrị ekwesị.- Mepụta arps; Debe ihe njiri mara b n'ụdị anụ ahụ (usoro 0-0.5). Tinye njedebe njedebe njedebe n'oge ikpeazụ. Emela hyperbolic extrapolation na-enweghị ngwụcha.- Nye EUR dị ka P90/P50/P10, ọ bụghị otu nọmba.- Dee otu esi enyocha ya na nguzozi ihe / n'akụkụ ọma.Data: [okpokoro mmepụta]

Ndebiri anọ enwere ike iṅomi

1) Nhicha data mmepụta:

Kaa akara nkwụsị, ntinye aka, ụkpụrụ efu/adịghị mma na ihe dịpụrụ adịpụ na data mmepụta na-esonụ dị ka tebụl "ụbọchị | nsogbu | ntụnye". Edozighachila data, naanị kaa ya akara. Tebụl: [mmepụta]

2) Nchọpụta usoro ọdịda:

Site na mmepụta na data nrụgide ndị a (ọ bụrụ na ọ dị), nyochaa ma ọ bụ na-agafe agafe ma ọ bụ na-achịkwa oke. Kọwaa oge nke DCA ga-atụkwasị obi. Kọwaa ihe ize ndụ nke imeghari ya na oge mbụ. Data: [nrụpụta/nrụgide]

3) Arps dabara na ọnọdụ:

Dakọtara na exponential na hyperbolic Arps na data mmepụta dị ọcha dị n'okpuru. debe ihe njiri mara b n'ime 0-0.5; Tinye njedebe njedebe X% n'oge. Nye ihe atụ atọ (P90/P50/P10) EUR wee dee echiche ndị kacha dị irè. Data: [mmepụta dị ọcha]

4) EUR cross check:

Lelee amụma amụma EUR a: mkpokọta amụma + fọdụrụnụ ọ dabara na nguzozi ihe ubi / ihe atụ nke ọma? Depụta akara oke nchekwube / enweghị nchekwube. EUR na ntinye: [ụkpụrụ]

Ntuziaka Nhọrọ Ihe Nlereanya Drawdown

ihe nlereanya

b praịm

Usoro nke EUR

mgbe

exponential

0

Kachasị ala (mgbanwe)

Emechaa tozuo nke ọma

hyperbolic

0–1

ọkara

Oge mmalite-etiti, ọtụtụ olulu mmiri

harmonic

1

Elu (nwere nchekwube)

Obere, jiri nlezianya mee ihe

Hyperbolic na-akparaghị ókè

> 1 ogologo oge

Oke oke (ezighi ezi)

Ejila; tinye njedebe njedebe

Mmejọ ndị nkịtị

  • Ogologo extrapolation nwere oke b. b>Ịkwaga 1 ruo afọ na ikwubiga okwu ókè na EUR; wụsa nkwụsịtụ ọnụ.
  • Tinye ya na data ruru unyi. Iwepụ nrọ na-enweghị ikpochapụ ọnọdụ na ntinye aka.
  • Itinye DCA n'ọrụ na-agafe agafe. Ime amụma tupu oge oke oke amalite.
  • Ọnụ ego efu EUR. Anaghị akọ akụkọ ejighị n'aka (P90/P50/P10).
  • Ịwụfe nguzozi ihe. Anaghị anwale EUR na njikwa anụ ahụ / analog kwụụrụ onwe ya.

Na nchịkọta

  • DCA bụ ịkọpụta mmepụta n'ọdịnihu na EUR site n'itinye usoro nkwụsịtụ na akụkọ ihe mere eme.
  • Arps b prime dị oke egwu; Ogologo extrapolation na elu b ize ndụ overestimates na EUR, ọnụ drawdown dị oké mkpa.
  • AI na-enye aka na ihicha data na ọgbọ ndapụta; mana enweghị ike ikwuwapụta ebe nchekwa ahụ, onye nyocha ruru eru kwadoro.
  • Kwuo EUR dị ka nkesa P90/P50/P10; Tinye DCA naanị n'oge oke oke.
  • Nyochaa nsonaazụ ya site na nguzozi ihe yana ntule dị n'akụkụ.

Ọrụ ngwa

Nweta data mmepụta kwa ọnwa maka olulu mmiri (onye nnọchi anya). Mepụta akwụkwọ DCA site na iji ngwa ngwa dị ike. Mgbe ahụ: (1) akara na wepụ ma ọ dịkarịa ala otu nkwụsị / outlier, (2) lelee b exponent nke ihe nlereanya ma tinye ọnụ drawdown ma ọ bụrụ na ọ dị n'elu 1, (3) rịọ maka EUR na atọ ndapụta na roughly nye P50 na cumulative + fọdụrụ mgbagha.

ndetu

  • [] Amaara m ụdị Arps exponential/hyperbolic/harmonic na mmetụta nke b prime na EUR.
  • [] M na-ehicha data mmepụta maka oge nkwụsị / ntinye aka.
  • [ ] Ana m etinye DCA naanị n'oge oge erute na-achị oke.
  • M na-edobe [] b praịm n'ụdị anụ ahụ ma tinye njedebe njedebe, na-enye EUR P90/P50/P10.
  • [ ] Na-enyocha EUR na nguzozi ihe yana analog nke ọma, aghọtara m na nkwupụta idobere bụ ọrụ nke onye nyocha.
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