Application of precise MPD & pressure balance cementing technology
The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Yong Ma [verfasserIn] Youcheng Zheng [verfasserIn] Bingqing Xu [verfasserIn] Lili Chen [verfasserIn] Shibin Liu [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2018 |
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| Übergeordnetes Werk: |
In: Natural Gas Industry B - KeAi Communications Co., Ltd., 2015, 5(2018), 2, Seite 162-166 |
|---|---|
| Übergeordnetes Werk: |
volume:5 ; year:2018 ; number:2 ; pages:162-166 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.ngib.2018.04.003 |
|---|
| Katalog-ID: |
DOAJ005088437 |
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| 520 | |a The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 | ||
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10.1016/j.ngib.2018.04.003 doi (DE-627)DOAJ005088437 (DE-599)DOAJ450950b8f8264e3f8b69c2a4a8a36ce2 DE-627 ger DE-627 rakwb eng TP751-762 Yong Ma verfasserin aut Application of precise MPD & pressure balance cementing technology 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 Gas industry Youcheng Zheng verfasserin aut Bingqing Xu verfasserin aut Lili Chen verfasserin aut Shibin Liu verfasserin aut In Natural Gas Industry B KeAi Communications Co., Ltd., 2015 5(2018), 2, Seite 162-166 (DE-627)DOAJ000146625 23528559 nnns volume:5 year:2018 number:2 pages:162-166 https://doi.org/10.1016/j.ngib.2018.04.003 kostenfrei https://doaj.org/article/450950b8f8264e3f8b69c2a4a8a36ce2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352854018300287 kostenfrei https://doaj.org/toc/2352-8540 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 5 2018 2 162-166 |
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10.1016/j.ngib.2018.04.003 doi (DE-627)DOAJ005088437 (DE-599)DOAJ450950b8f8264e3f8b69c2a4a8a36ce2 DE-627 ger DE-627 rakwb eng TP751-762 Yong Ma verfasserin aut Application of precise MPD & pressure balance cementing technology 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 Gas industry Youcheng Zheng verfasserin aut Bingqing Xu verfasserin aut Lili Chen verfasserin aut Shibin Liu verfasserin aut In Natural Gas Industry B KeAi Communications Co., Ltd., 2015 5(2018), 2, Seite 162-166 (DE-627)DOAJ000146625 23528559 nnns volume:5 year:2018 number:2 pages:162-166 https://doi.org/10.1016/j.ngib.2018.04.003 kostenfrei https://doaj.org/article/450950b8f8264e3f8b69c2a4a8a36ce2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352854018300287 kostenfrei https://doaj.org/toc/2352-8540 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 5 2018 2 162-166 |
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10.1016/j.ngib.2018.04.003 doi (DE-627)DOAJ005088437 (DE-599)DOAJ450950b8f8264e3f8b69c2a4a8a36ce2 DE-627 ger DE-627 rakwb eng TP751-762 Yong Ma verfasserin aut Application of precise MPD & pressure balance cementing technology 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 Gas industry Youcheng Zheng verfasserin aut Bingqing Xu verfasserin aut Lili Chen verfasserin aut Shibin Liu verfasserin aut In Natural Gas Industry B KeAi Communications Co., Ltd., 2015 5(2018), 2, Seite 162-166 (DE-627)DOAJ000146625 23528559 nnns volume:5 year:2018 number:2 pages:162-166 https://doi.org/10.1016/j.ngib.2018.04.003 kostenfrei https://doaj.org/article/450950b8f8264e3f8b69c2a4a8a36ce2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352854018300287 kostenfrei https://doaj.org/toc/2352-8540 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 5 2018 2 162-166 |
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10.1016/j.ngib.2018.04.003 doi (DE-627)DOAJ005088437 (DE-599)DOAJ450950b8f8264e3f8b69c2a4a8a36ce2 DE-627 ger DE-627 rakwb eng TP751-762 Yong Ma verfasserin aut Application of precise MPD & pressure balance cementing technology 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 Gas industry Youcheng Zheng verfasserin aut Bingqing Xu verfasserin aut Lili Chen verfasserin aut Shibin Liu verfasserin aut In Natural Gas Industry B KeAi Communications Co., Ltd., 2015 5(2018), 2, Seite 162-166 (DE-627)DOAJ000146625 23528559 nnns volume:5 year:2018 number:2 pages:162-166 https://doi.org/10.1016/j.ngib.2018.04.003 kostenfrei https://doaj.org/article/450950b8f8264e3f8b69c2a4a8a36ce2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352854018300287 kostenfrei https://doaj.org/toc/2352-8540 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 5 2018 2 162-166 |
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10.1016/j.ngib.2018.04.003 doi (DE-627)DOAJ005088437 (DE-599)DOAJ450950b8f8264e3f8b69c2a4a8a36ce2 DE-627 ger DE-627 rakwb eng TP751-762 Yong Ma verfasserin aut Application of precise MPD & pressure balance cementing technology 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 Gas industry Youcheng Zheng verfasserin aut Bingqing Xu verfasserin aut Lili Chen verfasserin aut Shibin Liu verfasserin aut In Natural Gas Industry B KeAi Communications Co., Ltd., 2015 5(2018), 2, Seite 162-166 (DE-627)DOAJ000146625 23528559 nnns volume:5 year:2018 number:2 pages:162-166 https://doi.org/10.1016/j.ngib.2018.04.003 kostenfrei https://doaj.org/article/450950b8f8264e3f8b69c2a4a8a36ce2 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352854018300287 kostenfrei https://doaj.org/toc/2352-8540 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 5 2018 2 162-166 |
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Application of precise MPD & pressure balance cementing technology |
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Application of precise MPD & pressure balance cementing technology |
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Yong Ma |
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Yong Ma Youcheng Zheng Bingqing Xu Lili Chen Shibin Liu |
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10.1016/j.ngib.2018.04.003 |
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application of precise mpd & pressure balance cementing technology |
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TP751-762 |
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Application of precise MPD & pressure balance cementing technology |
| abstract |
The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 |
| abstractGer |
The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 |
| abstract_unstemmed |
The precise managed pressure drilling (MPD) technology is mainly used to deal with the difficulties encountered when oil and gas open hole sections with multiple pressure systems and the strata with narrow safety density window are drilled through. If its liner cementing is carried out according to the conventional method, lost circulation is inevitable in the process of cementing while the displacement efficiency of small-clearance liner cementing is satisfied. If the positive and inverse injection technology is adopted, the cementing quality cannot meet the requirements of later well test engineering of ultradeep wells. In this paper, the cementing operation of Ø114.3 mm liner in Well Longgang 70 which was drilled in the Jiange structure of the Sichuan Basin was taken as an example to explore the application of the cementing technology based on the precise MPD and pressure balancing method to the cementing of long open-hole sections (as long as 859 m) with both high and low pressures running through multiple reservoirs. On the one hand, the technical measures were taken specifically to ensure the annulus filling efficiency of slurry and the pressure balance in the whole process of cementing. And on the other hand, the annulus pressure balance was precisely controlled by virtue of precise MPD devices and by injecting heavy weight drilling fluids through central pipes, and thus the wellbore pressure was kept steady in the whole process of cementing in the strata with narrow safety density window. It is indicated that Ø114.3 mm liner cementing in this well is good with qualified pressure tests and no channeling emerges at a funnel during the staged density reduction. It is concluded that this method can enhance the liner cementing quality of complex ultradeep gas wells and improve the wellbore conditions for the later safe well tests of high-pressure gas wells. Keywords: Ultradeep well, Liner cementing, Narrow safety density window, Precise MPD, Pressure balancing method, Lost circulation, Sichuan Basin, Well Longgang 70 |
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Application of precise MPD & pressure balance cementing technology |
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https://doi.org/10.1016/j.ngib.2018.04.003 https://doaj.org/article/450950b8f8264e3f8b69c2a4a8a36ce2 http://www.sciencedirect.com/science/article/pii/S2352854018300287 https://doaj.org/toc/2352-8540 |
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Youcheng Zheng Bingqing Xu Lili Chen Shibin Liu |
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