EP3317488A1 - Procédés permettant de surveiller des opérations de cimentation de puits - Google Patents

Procédés permettant de surveiller des opérations de cimentation de puits

Info

Publication number
EP3317488A1
EP3317488A1 EP16818866.2A EP16818866A EP3317488A1 EP 3317488 A1 EP3317488 A1 EP 3317488A1 EP 16818866 A EP16818866 A EP 16818866A EP 3317488 A1 EP3317488 A1 EP 3317488A1
Authority
EP
European Patent Office
Prior art keywords
well
cement
placement
casing
combination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16818866.2A
Other languages
German (de)
English (en)
Other versions
EP3317488A4 (fr
Inventor
Gunnar Gerard DE BRUIJN
Pavel NYAGA
Edward SMETAK
Andrew WHIDDON
Jose CONTRERAS ESCALANTE
Nicolas Flamant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Original Assignee
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Services Petroliers Schlumberger SA, Schlumberger Technology BV filed Critical Services Petroliers Schlumberger SA
Publication of EP3317488A1 publication Critical patent/EP3317488A1/fr
Publication of EP3317488A4 publication Critical patent/EP3317488A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes

Definitions

  • the present disclosure broadly relates to methods for monitoring well cementing operations.
  • the methods relate to monitoring well cementing parameters and comparing the parameters to cement placement simulations in real time.
  • Primary cementing is a technique for placing cement slurries in the annular space between the casing and the borehole. After placement, the cement hardens to form a hydraulic seal in the wellbore, preventing the migration of formation fluids in the annulus. Therefore, primary cementing is one of the most important stages during the drilling and completion of a well. This procedure must be planned and executed carefully, as there is but one chance to complete the job successfully.
  • the set cement sheath should anchor and support the casing string (preventing formation sloughing or caving into the wellbore) and protect the casing string against corrosion by formation fluids.
  • Uncemented steel casing can corrode rapidly when exposed to hot formation brines and hydrogen sulfide. It can also be subjected to erosion by the high velocity of produced fluids, particularly when solid particles such as formation sand are being transported. Lateral loads on poorly cemented casing strings can result in buckling or collapse because of overloading at certain points. On the other hand, properly cemented casing is subjected to a nearly uniform loading approximately equal to the overburden pressure.
  • the density of cement slurries is usually higher than those of the drilling fluid, chemical wash or spacer.
  • a hydrostatic pressure imbalance is created between the inside of the casing and the annulus.
  • the cement slurry has a tendency to "free-fall” and draws a vacuum inside the upper part of the casing.
  • Computer simulators are also used to determine the number of centralizers on a casing string to achieve optimal standoff and encourage complete removal of drilling fluids from the annulus. Other factors that the simulators consider in their calculations include temperature, wellbore geometry, formation fracture gradients, mud conditioning, rheological properties of cementing fluids (e.g., mud, chemical washes, spacer fluids and cement slurries), casing movement via reciprocation and rotation and pump rates.
  • cementing fluids e.g., mud, chemical washes, spacer fluids and cement slurries
  • the simulators may generate several predictions, including mud displacement, cement slurry coverage, flow rates, temperature and pressure evolution at various locations in the well and well control.
  • One such simulator is CEMENTICS, available from Schlumberger.
  • CEMENTICS available from Schlumberger.
  • Piot B "Primary Cement Job Design," in Nelson EB and Guillot D (eds.): Well Cementing-2nd Edition, Houston: Schlumberger (2006): 435-458.
  • the present disclosure reveals methods relating to monitoring well cementing parameters and comparing the parameters to cement placement simulations in real time. Additionally, adjustments to the cementing operation may be performed in real time in response to operational deviations from the simulation predictions.
  • embodiments relate to methods for cementing a subterranean well.
  • a cement slurry is prepared and pumped into the well through a casing interior. After exiting the casing interior at the bottom of the casing string, the slurry is pumped through an annulus between the casing string exterior and a borehole wall.
  • real-time of cementing parameters takes place. The parameters may be temperature, pressure or return rate or a combination thereof.
  • the real-time monitored parameters are then compared to a previously generated cement placement simulation, or a previously generated post-placement simulation or both.
  • embodiments relate to methods for confirming cement-placement events.
  • a cement slurry is prepared and pumped into the well through a casing interior. After exiting the casing interior at the bottom of the casing string, the slurry is pumped through an annulus between the casing string exterior and a borehole wall.
  • real-time of cementing parameters takes place. The parameters may be temperature, pressure or return rate or a combination thereof.
  • the real-time monitored parameters are then compared to a previously generated cement placement simulation, or a previously generated post-placement simulation or both.
  • embodiments relate to methods for confirming cement- placement events.
  • a cement slurry is prepared and pumped into the well through a casing interior. After exiting the casing interior at the bottom of the casing string, the slurry is pumped through an annulus between the casing string exterior and a borehole wall.
  • real-time monitoring of cementing parameters takes place. The parameters may be pump rate, pressure, fluid volume, fluid density or fluid temperature or a combination thereof. The real-time monitored parameters are then entered into a cement placement simulator, and the simulator is allowed to predict future cement placement events.
  • Figure 1 is a well diagram showing the location of sensors that are employed in the disclosed methods.
  • the term about should be understood as any amount or range within 10% of the recited amount or range (for example, a range from about 1 to about 10 encompasses a range from 0.9 to 11). Also, in the summary and this detailed description, it should be understood that a concentration range listed or described as being useful, suitable, or the like, is intended that any concentration within the range, including the end points, is to be considered as having been stated. For example, "a range of from 1 to 10" is to be read as indicating each possible number along the continuum between about 1 and about 10. Furthermore, one or more of the data points in the present examples may be combined together, or may be combined with one of the data points in the specification to create a range, and thus include each possible value or number within this range.
  • cement placement simulations and post-placement simulations are traditionally performed before the cementing operation takes place. Several simulation iterations may be performed, allowing engineers to develop an optimal cement treatment design. When the cementing operation takes place, engineers may follow the procedure prescribed by the simulator. After the operation is complete and the cement has set, logging operations may be performed to verify that the goals of the cementing operation have been met.
  • Applicant has determined that advantages may be gleaned by monitoring the progress of the cementing operation in real time, thereby allowing a determination of whether cementing events are unfolding as predicted by the simulator. If deviations from the plan occur, some realtime adjustments may be made to improve cementing results.
  • embodiments relate to methods for cementing a subterranean well.
  • a cement slurry is prepared and pumped into the well through a casing interior. After exiting the casing interior at the bottom of the casing string, the slurry is pumped through an annulus between the casing string exterior and a borehole wall.
  • real-time monitoring of cementing parameters takes place. The parameters may be temperature, pressure or return rate or a combination thereof. The real-time monitored parameters are then compared to a previously generated cement placement simulation, or a previously generated post-placement simulation or both.
  • the cement placement events may comprise landing of a cementing plug, landing of a cementing dart, passage of a fluid interface past a given location in a well, setting of the cement slurry, or arrival of a cement slurry at a given location in the well, or combinations thereof.
  • embodiments relate to methods for confirming cement-placement events.
  • a cement slurry is prepared and pumped into the well through a casing interior. After exiting the casing interior at the bottom of the casing string, the slurry is pumped through an annulus between the casing string exterior and a borehole wall.
  • real-time monitoring of cementing parameters takes place. The parameters may be temperature, pressure or return rate or a combination thereof. The real-time monitored parameters are then compared to a previously generated cement placement simulation, or a previously generated post-placement simulation or both.
  • embodiments relate to methods for confirming cement- placement events.
  • a cement slurry is prepared and pumped into the well through a casing interior. After exiting the casing interior at the bottom of the casing string, the slurry is pumped through an annulus between the casing string exterior and a borehole wall.
  • real-time monitoring of cementing parameters takes place. The parameters may be pump rate, pressure, fluid volume, fluid density or fluid temperature or a combination thereof. The real-time monitored parameters are then entered into a cement placement simulator, and the simulator is allowed to predict future cement placement events.
  • the cement placement events may comprise landing of a cementing plug, landing of a cementing dart, passage of a fluid interface past a given location in a well, setting of the cement slurry, or arrival of a cement slurry at a given location in the well, or combinations thereof.
  • a cement placement simulation may or may not have been performed before pumping the slurry into the well.
  • temperature sensors may be located at a wellhead, at a casing shoe, along fibers installed throughout the well, or at a return line or a combination thereof.
  • pressure sensors may be located at a wellhead, at a casing shoe, along fibers installed throughout the well, or at a return line or a combination thereof.
  • flow rate sensors may be located at a wellhead, at a casing shoe, along fibers installed throughout the well, at a mud pit, or at a return line or a combination thereof.
  • the monitored parameters may be synchronized and displayed together on a computer screen.
  • the post-placement simulation may employ calorimetry data to provide a post-placement well temperature prediction.
  • the monitored parameters may provide a real-time prediction of when the cement slurry will reach a given location in the well.
  • the parameters may be monitored at a wellsite or from a remote location.
  • the cement placement simulation may include a U-tube simulator.
  • the monitored parameters may provide a real-time prediction of when the cement slurry will reach a given location in the well.
  • the telemetry between the sensors and the receivers may be transmitted along wires, optical fibers or wirelessly or a combination thereof.
  • Wireless communication may be in the form of electromagnetic signals, acoustic signals or both.
  • An example well 100 comprises several elements: a wellhead 101, a casing string 102, a casing shoe 103, a return line 104, a mud pit 105, a fiber cable 106 placed along the casing string 102, a temperature sensor 107, a pressure sensor 108 and a flow rate sensor 109.
  • the sensors 107-109 are shown only at the casing shoe 102, they may also be located at the wellhead 101, along the fiber cable 106, at the return line 104 or at the mud pits or a combination thereof.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

Selon la présente invention, des simulations de mise en place de ciment et des simulations de post-positionnement sont traditionnellement réalisées avant que l'opération de cimentation n'ait lieu. Plusieurs itérations de simulation peuvent être effectuées, ce qui permet à des ingénieurs de développer un modèle de traitement au ciment optimal. Lorsque l'opération de cimentation a lieu, des ingénieurs peuvent suivre la procédure prescrite par le simulateur. Une fois que l'opération est terminée et que le ciment a durci, des opérations de diagraphie peuvent être effectuées pour vérifier que les objectifs de l'opération de cimentation ont été atteints. La surveillance de la progression de l'opération de cimentation en temps réel permet de déterminer si des événements de cimentation se révèlent comme l'avait prédit le simulateur. Si des écarts par rapport au plan se produisent, certains ajustements en temps réel peuvent être effectués afin d'améliorer les résultats de la cimentation.
EP16818866.2A 2015-07-02 2016-07-01 Procédés permettant de surveiller des opérations de cimentation de puits Withdrawn EP3317488A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/791,201 US20170002622A1 (en) 2015-07-02 2015-07-02 Methods for monitoring well cementing operations
PCT/US2016/040634 WO2017004484A1 (fr) 2015-07-02 2016-07-01 Procédés permettant de surveiller des opérations de cimentation de puits

Publications (2)

Publication Number Publication Date
EP3317488A1 true EP3317488A1 (fr) 2018-05-09
EP3317488A4 EP3317488A4 (fr) 2019-03-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16818866.2A Withdrawn EP3317488A4 (fr) 2015-07-02 2016-07-01 Procédés permettant de surveiller des opérations de cimentation de puits

Country Status (3)

Country Link
US (1) US20170002622A1 (fr)
EP (1) EP3317488A4 (fr)
WO (1) WO2017004484A1 (fr)

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US10619085B2 (en) * 2018-01-02 2020-04-14 Saudi Arabian Oil Company Method for controlled release and making of a cement additive in a wellbore
CN108955672B (zh) * 2018-06-07 2021-02-02 重庆交通大学 一种隧道注浆浆液轨迹监测系统及方法
US11821284B2 (en) 2019-05-17 2023-11-21 Schlumberger Technology Corporation Automated cementing method and system
US11118422B2 (en) 2019-08-28 2021-09-14 Schlumberger Technology Corporation Automated system health check and system advisor
CN110924927B (zh) * 2019-11-15 2023-06-27 长江大学 固井胶塞下行实时定位方法、装置、设备及存储介质
US11920464B2 (en) 2020-01-31 2024-03-05 Halliburton Energy Services, Inc. Thermal analysis of temperature data collected from a distributed temperature sensor system for estimating thermal properties of a wellbore
US11352850B2 (en) 2020-02-01 2022-06-07 Halliburton Energy Services, Inc. Cement as a battery for detection downhole
US11649692B2 (en) * 2020-07-14 2023-05-16 Saudi Arabian Oil Company System and method for cementing a wellbore
US11566514B2 (en) 2020-10-19 2023-01-31 Halliburton Energy Services, Inc. Bottomhole choke for managed pressure cementing
CN113010132B (zh) * 2021-03-24 2023-04-18 成都维泰油气能源技术有限公司 一种用于智能井控的辅助系统和方法
WO2022216286A1 (fr) * 2021-04-07 2022-10-13 Halliburton Energy Services, Inc. Détection de progression de cimentation à boucle d'induction

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794534A (en) * 1985-08-08 1988-12-27 Amoco Corporation Method of drilling a well utilizing predictive simulation with real time data
US6697738B2 (en) * 2002-02-22 2004-02-24 Halliburton Energy Services, Inc. Method for selection of cementing composition
US7953587B2 (en) * 2006-06-15 2011-05-31 Schlumberger Technology Corp Method for designing and optimizing drilling and completion operations in hydrocarbon reservoirs
CA2876482C (fr) * 2011-11-16 2019-04-09 Weatherford/Lamb, Inc. Cimentation par pression
US9255473B2 (en) * 2012-05-07 2016-02-09 Halliburton Energy Services, Inc. Methods and systems for real-time monitoring and processing of wellbore data
WO2014138055A2 (fr) * 2013-03-04 2014-09-12 Fereidoun Abbassian Système et pupitre pour surveiller et gérer des opérations de site de puits

Also Published As

Publication number Publication date
US20170002622A1 (en) 2017-01-05
EP3317488A4 (fr) 2019-03-06
WO2017004484A1 (fr) 2017-01-05

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