Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data

I. M. Kutasov; Lev Eppelbaum

Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data

I. M. Kutasov, Lev Eppelbaum

School of the Environment and Earth Sciences

Pajarito Enterprises

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

It is shown that in deep and super deep wells the temperature of the drilling fluid (at a given depth) depends on the current vertical depth, on drilling technology (flow rate, well design, fluid properties,
penetration rate, etc.), geothermal gradient and thermal properties of the formation. It is demonstrated that minimum field data: records of stabilized outlet mud temperature, several values of bottom-hole mud temperature measured while drilling (MWD) are needed to construct an empirical equation which approximates the downhole temperature profile during drilling. An analytical equation is presented which describes recovery of the thermal equilibrium when the temperature of drilling fluid (at a given depth) is a linear function of time. Calculations of shut-in temperatures for two field examples are also presented.

Original language	English
Title of host publication	Proceed. of the 2011 Stanford Geothermal Workshop
Subtitle of host publication	PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191
Place of Publication	Stanford, USA
Pages	1-7
Number of pages	7
State	Published - 2011
Event	Stanford Geothermal Workshop : Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 - Stanford, California, United States Duration: 31 Jan 2011 → 2 Feb 2011 Conference number: 36

Workshop

Workshop	Stanford Geothermal Workshop
Country/Territory	United States
City	Stanford, California
Period	31/01/11 → 2/02/11

Access to Document

https://pangea.stanford.edu/ERE/pdf/IGAstandard/SGW/2011/kutasov.pdf

Cite this

Kutasov, I. M., & Eppelbaum, L. (2011). Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data . In Proceed. of the 2011 Stanford Geothermal Workshop: PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191 (pp. 1-7). https://pangea.stanford.edu/ERE/pdf/IGAstandard/SGW/2011/kutasov.pdf

Kutasov, I. M. ; Eppelbaum, Lev. / Recovery of the thermal equilibrium in deep and super deep wells : Utilization of measurements while drilling data . Proceed. of the 2011 Stanford Geothermal Workshop: PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191. Stanford, USA, 2011. pp. 1-7

@inproceedings{c065db06730c48e9b16bc0c2b4c3a0f2,

title = "Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data ",

abstract = "It is shown that in deep and super deep wells the temperature of the drilling fluid (at a given depth) depends on the current vertical depth, on drilling technology (flow rate, well design, fluid properties,penetration rate, etc.), geothermal gradient and thermal properties of the formation. It is demonstrated that minimum field data: records of stabilized outlet mud temperature, several values of bottom-hole mud temperature measured while drilling (MWD) are needed to construct an empirical equation which approximates the downhole temperature profile during drilling. An analytical equation is presented which describes recovery of the thermal equilibrium when the temperature of drilling fluid (at a given depth) is a linear function of time. Calculations of shut-in temperatures for two field examples are also presented.",

author = "Kutasov, {I. M.} and Lev Eppelbaum",

year = "2011",

language = "אנגלית",

pages = "1--7",

booktitle = "Proceed. of the 2011 Stanford Geothermal Workshop",

note = "Stanford Geothermal Workshop<br/> ; Conference date: 31-01-2011 Through 02-02-2011",

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Kutasov, IM & Eppelbaum, L 2011, Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data . in Proceed. of the 2011 Stanford Geothermal Workshop: PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191. Stanford, USA, pp. 1-7, Stanford Geothermal Workshop
, Stanford, California, United States, 31/01/11. <https://pangea.stanford.edu/ERE/pdf/IGAstandard/SGW/2011/kutasov.pdf>

Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data . / Kutasov, I. M.; Eppelbaum, Lev.
Proceed. of the 2011 Stanford Geothermal Workshop: PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191. Stanford, USA, 2011. p. 1-7.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T2 - Stanford Geothermal Workshop<br/>

AU - Kutasov, I. M.

AU - Eppelbaum, Lev

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N2 - It is shown that in deep and super deep wells the temperature of the drilling fluid (at a given depth) depends on the current vertical depth, on drilling technology (flow rate, well design, fluid properties,penetration rate, etc.), geothermal gradient and thermal properties of the formation. It is demonstrated that minimum field data: records of stabilized outlet mud temperature, several values of bottom-hole mud temperature measured while drilling (MWD) are needed to construct an empirical equation which approximates the downhole temperature profile during drilling. An analytical equation is presented which describes recovery of the thermal equilibrium when the temperature of drilling fluid (at a given depth) is a linear function of time. Calculations of shut-in temperatures for two field examples are also presented.

AB - It is shown that in deep and super deep wells the temperature of the drilling fluid (at a given depth) depends on the current vertical depth, on drilling technology (flow rate, well design, fluid properties,penetration rate, etc.), geothermal gradient and thermal properties of the formation. It is demonstrated that minimum field data: records of stabilized outlet mud temperature, several values of bottom-hole mud temperature measured while drilling (MWD) are needed to construct an empirical equation which approximates the downhole temperature profile during drilling. An analytical equation is presented which describes recovery of the thermal equilibrium when the temperature of drilling fluid (at a given depth) is a linear function of time. Calculations of shut-in temperatures for two field examples are also presented.

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BT - Proceed. of the 2011 Stanford Geothermal Workshop

CY - Stanford, USA

Y2 - 31 January 2011 through 2 February 2011

ER -

Kutasov IM, Eppelbaum L. Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data . In Proceed. of the 2011 Stanford Geothermal Workshop: PROCEEDINGS, Thirty-Sixth Workshop on Geothermal Reservoir Engineering Stanford University, Stanford, California, January 31 - February 2, 2011 SGP-TR-191. Stanford, USA. 2011. p. 1-7

Recovery of the thermal equilibrium in deep and super deep wells: Utilization of measurements while drilling data

Abstract

Workshop

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