Modernizing Solutions for NextGen Coiled Tubing and Well Intervention

Modernizing Solutions for NextGen Coiled Tubing and Well Intervention

 SPE/ICoTA Well Intervention Conference and Exhibition | 21–22 March 2023 
The Woodlands Waterway Marriott & Convention Center
The Woodlands, Texas

 

WITH THANKS TO OUR 2023 SPONSORS

 

WHY ATTEND

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Enhance Your Knowledge

Discover the latest industry trends, innovations and technologies. Enrich your technical knowledge with new methodologies, techniques and methods.

Get access to the extensive technical program that will cover a wide variety of topics on well intervention.

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Network with other attendees, speakers and well-known experts, and discuss the most relevant industry issues and challenges that you are facing now.

Join industry leaders, decision-makers and innovators - make connections that matter.

Share Your Experience

Exchange knowledge and experience with your colleagues and industry experts.

Share your knowledge, experience and expertise with the global community of like-minded industry professionals. Help us to determine the future of the well intervention.

Keynote Luncheon Speaker

Shauna Noonan

Shauna Noonan

Oxy Fellow & Senior Director International & Gulf of Mexico Supply Chain Management

Oxy

SPE ENERGY STREAM ON WELL INTERVENTION

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Exhibitors

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Expert Speakers

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Technical Paper Sessions

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Explore the Latest News in Well Intervention

Intervention Work Flow Improves Injection Coverage in Tight Carbonate Reservoirs

Intervention Work Flow Improves Injection Coverage in Tight Carbonate Reservoirs

The complete paper discusses an advanced matrix-stimulation work flow that brings reliability and flexibility to the acidizing of tight carbonate water injectors and has delivered injectivity improvements tight carbonate onshore reservoirs in the Middle East.

The complete paper discusses an advanced matrix-stimulation work flow that brings reliability and flexibility to the acidizing of tight carbonate water injectors and has delivered injectivity improvements tight carbonate onshore reservoirs in the Middle East. The work flow leverages real-time downhole measurements and the presence of fiber optics in coiled tubing (CT) for telemetry, and relies on a high-pressure jetting tool, controlled with the help of real-time downhole pressure data, to enhance penetration of acid into the targeted intervals.

Introduction

Effective and long-term matrix stimulation of water-injector wells completed across tight carbonate reservoirs presents a significant challenge in the Middle East. Local practices for matrix stimulation of openhole horizontal carbonate water injectors consist of spotting hydrochloric acid treatment by CT along the uncased well section, using a specific fluid dosage per unit length of the pay zone. Thus far, that approach has delivered inconsistent results in wells completed across tight carbonate rock, most often leading to a rapid decline in injection rates following the treatment.

An alternative work flow leverages distributed temperature sensing (DTS) to evaluate the original water-injection coverage across the reservoir. Each section benefits from a customized treatment that increases injectivity and improves uniformity of injection. A high-pressure jetting tool, controlled with the help of real-time downhole pressure data, is key to this work flow because it enhances penetration of acid into the targeted intervals. 

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Coiled Tubing Sets Packers Precisely During Offshore Well Abandonment

Coiled Tubing Sets Packers Precisely During Offshore Well Abandonment



The complete paper discusses the systematic approach adopted by a service company to achieve the goal of safely abandoning wells offshore southwest Brazil with different completion types using light workover vessels.

The complete paper discusses the systematic approach adopted by a service company to achieve the goal of safely abandoning wells offshore southwest Brazil with different completion types using light workover vessels. Having determined the abandonment methodology, service company personnel developed processes and procedures to reach the objective that included advances in coiled-tubing (CT) rigup procedures and use of a real-time telemetry system.

 

Introduction

The use of a CT real-time telemetry system enables accurate setting of a through-tubing inflatable device system (T-TIDS) by monitoring the necessary downhole parameters in real time. The paper presents a case study wherein sensors [such as a casing collar locator (CCL) to perform depth correlation before setting the T-TIDS and placing cement plugs, a pressure sensor to monitor the T-TIDS setting, and a CT internal pressure sensor to help ensure all cement was pumped out of the CT] were used in real time to verify that well barriers were set in place, contributing to successful well abandonment. Real-time data collection proved to be the most-effective methodology for running critical equipment, thereby saving overall time and cost.

General Abandonment Requirements

The decision for permanent abandonment of a well is not always easy. In ­Brazil, the National Agency of Petroleum, Natural Gas, and Biofuels (ANP) has established a compendium of rules for oil companies that extract and produce oil, gas, and derivatives. This involves a group of barriers known as CSB, which is a set of one or more elements with the objective of preventing the unintentional flow of fluids from the formation to the external environment and between intervals in the well considering all possible paths.
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Coiled Tubing Gas Lift Revives Dead Wells in South Pakistan

Coiled Tubing Gas Lift Revives Dead Wells in South Pakistan


This paper describes a coiled tubing gas lift (CTGL) technique successfully used to restart production from two pilot wells in a mature field in Pakistan that had been shut in since 2015.

This paper describes a coiled tubing gas lift (CTGL) technique successfully used to restart production from two pilot wells in a mature field in Pakistan that had been shut in since 2015. The project yielded production gains that resulted in a short payback period and verified that the technique represents an effective and economical solution to restart production in mature fields where conventional artificial-lift methods challenge well economics. The pilot results have encouraged the operator to further implement CTGL in Pakistan. According to the authors, suitable candidate selection, including data accuracy for nodal analysis and production forecast, and proper planning played fundamental roles in the project’s success.

Introduction

Exploration and production companies in Pakistan struggle with multiple challenges including pressure from regulatory bodies to increase oil and gas production to meet requirements of an energy-starved country in a period of historically low oil prices. With little new significant discovery, operators are challenged to produce economically from mature and declining fields. Several fields in south Pakistan have been forced to shut down because of uneconomical production rates. Most of the wells in these mature fields do not flow naturally because reservoir pressure is insufficient to overcome the hydrostatic column.

Existing techniques have their own challenges, including very high associated costs. Realizing these challenges, the government of Pakistan recently prioritized developing mature fields and optimizing production in declining fields.

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SPE/ICoTA Well Intervention Conference and Exhibition

21–22 March 2023 | The Woodlands, Texas

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