Current Practices in the Tip Screenout Fracturing of High Permeability Reservoirs in the Gulf of Mexico

Morales, R.H.; Norman, W.D.; Price, P.A.; Stewart, B.R.; Works-Minter, A.M.; Ali, Syed A.

doi:10.2118/38578-ms

SPE Annual Technical Conference and Exhibition 1997

DOI: 10.2118/38578-ms

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Current Practices in the Tip Screenout Fracturing of High Permeability Reservoirs in the Gulf of Mexico

R.H. Morales

W.D. Norman

P.A. Price

et al.

Abstract: This paper summarizes practical experiences gained in several aspects related to the tip screenout fracturing of high permeability formations in the Gulf of Mexico (GOM). In particular the paper discusses current practices related to the:evaluation of mechanical properties of the reservoir;selection of the fluid and proppant;design and analysis of the calibration treatment;design of the main fracturing treatment;placement of the treatment;post fracturing analysis, andperforation of the reservoir. … Show more

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Cited by 4 publications

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Interpreting Step Rate Tests SRTs in Multi-Layered, Unconsolidated and Stress-Sensitive Formations

Ershaghi

2018

SPE Western Regional Meeting

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We studied the applicability of Step Rate Tests (SRTs) for estimation of suitable injection gradients and reviewed various diagnostic plots to examine their relationship with injection rate and pressure. While dealing with multi-layered systems and those consisting of unconsolidated formations and examining the causes of injection increase seen, we identified some shortfalls associated with the SRT procedure. We also examined the force balance of formation response to injection gradients and concluded that formation resistance to water injection changes with time. That means the injection gradient to maintain constant injectivity is affected by the near wellbore conditions and as such, has a dynamic nature and can change with time. For unconsolidated formations, changes in pore pressure may also affect the rock effective permeability which alone can influence the required injection gradients.

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Interpreting Step Rate Tests SRTs in Multi-Layered, Unconsolidated and Stress-Sensitive Formations

Ershaghi

2018

SPE Western Regional Meeting

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Tip Screen Out Fracturing Delivering Optimum Performance in Conventional Applications for 40 Years: Case Histories and Lessons Learned

Rylance¹,

Kogsbøll²,

Cipolla³

et al. 2023

Day 2 Wed, February 01, 2023

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The focus on unconventional technology and operations, has been relentless during the last 15 - 20 years, while conventional operations have continued to tick along delivering their effective solutions globally. However, with unconventional operations dominating, it is inevitable that we run the risk of a fading knowledge base regarding the valuable contributions and hard lessons that have been learned with conventional techniques such as Tip Screen Out (TSO). This paper will present a global update on the development and application and continued success of this very specialised technique. The paper will describe the original development of the TSO process, design, deployment, refinement, and its broader application. A suite of case histories will demonstrate that every major operator in every major basin worldwide has successfully applied this technique to enhance production, where its use was both applicable and conditions made it possible. From highly specialised applications in North Sea chalks, to field developments in higher and medium permeability in Alaska and Siberia. From utilisation as an enabling solution in gas-condensates of South America, Middle East, and South-East Asia; and additionally, with the development of the Frac-Pack technique, delivery of a key sand-control completion method, crucial to GoM, Brazil and Global soft-rock oil production delivery. The paper will describe a range of requirements behind each consideration of deployment of the TSO technique, as well as specific in-situ characteristics that are required to support such application. It will describe the nuances of fracture design, material utilisation and adjustments that may be required to ensure effective delivery. The paper will also outline examples where the TSO process was the difference between success and failure. Finally, the paper will also cover some of the surveillance approaches utilised allowing a direct confirmation of the TSO process. All the extensive supporting evidence for this application will show how invaluable this technique has been to the Oil & Gas industry. In summary the paper will demonstrate the value which this technique has delivered in all its varied forms of application. It will enshrine the knowledge and lessons learned over 40 years of application and ensure that any short-term technical direction does not run the risk of disregarding the previously hard- won experiences of previous decades. Enshrined as an option in conventional fracturing techniques, the TSO process demonstrates the longevity that is associated with fundamentally sound engineering.

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Use of Resin-Coated Proppant to Control Shallow, Low-Temperature Unconsolidated Sands

Geehan

Deckert²,

Johnson³

et al. 1999

SPE Western Regional Meeting

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Current Practices in the Tip Screenout Fracturing of High Permeability Reservoirs in the Gulf of Mexico

Cited by 4 publications

References 0 publications

Interpreting Step Rate Tests SRTs in Multi-Layered, Unconsolidated and Stress-Sensitive Formations

Interpreting Step Rate Tests SRTs in Multi-Layered, Unconsolidated and Stress-Sensitive Formations

Tip Screen Out Fracturing Delivering Optimum Performance in Conventional Applications for 40 Years: Case Histories and Lessons Learned

Use of Resin-Coated Proppant to Control Shallow, Low-Temperature Unconsolidated Sands

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