In just six weeks, innovation specialist Welltec adapted its Welltec Flow Valve (WFV) technology to a clientâ€™s requirements, resolved a well stimulation issue following a malfunction with third-party equipment, and completed a successful operation.
The Welltec Flow Valve is a component of Welltecâ€™s Flex-Well completions concept. This comprises a suite of Welltec technologies that can be combined to meet an operatorâ€™s specific needs.
The Flex-Well conceptâ€™s aims include reducing well construction risk, time and costs, tackling production issues and maximising early production.
And these aims were validated in the companyâ€™s response to a clientâ€™s requirement to meet challenging new objectives for a West Africa drilling operation.
â€œThe operator had developed a new well in a new field and expanded its objectives from producing first gas to producing first oil and gas,â€ says Kevin Giles, Europe Area Vice President at Welltec.
â€œWe have an established reputation for innovative solutions, and this project shows why.
â€œAfter discussing options with the client, we proposed providing five flow valves with three different sized, customer-specified flow areas.â€
â€œWe manufactured these and delivered them on-site with our Well StrokerÂ® and Well KeyÂ® tools, both of which we had to modify to meet the requirements of the clientâ€™s plans for the well.â€
The well operation proceeded to plan until a third-party fracturing sleeve failed to open, despite multiple attempts using coiled tubing.
Using modelling to evaluate an option for fracturing through the flow valves, WelltecÂ® determined that this would not affect the valvesâ€™ function.
The modelling was spot on. In practice, the flow valve configurations that WelltecÂ® had provided gave the operator multiple options to optimise production.
â€œThis project underlined the flexibility and ease with which we were able to respond to the operatorâ€™s requirements, deliver and operate our technology,â€ adds Kevin.
â€œThis was the worldâ€™s first installation of the Welltec Flow Valves and they performed flawlessly.â€
Welltec has operations in 59 countries. Its technology is used in across all types of onshore and offshore environments, including deepwater, subsea and extended reach, high-yield, heavy oil and unconventional gas well programmes.