Iwcf well intervention pressure control completion, wireline, coiled tubing and snubbing. Well control for completions and interventions sciencedirect. Comprehensive formation evaluation program is essential well completion design is a dynamic process, it must include feedback from completion performance. Mr debuys, under the auspices of the iadc well servicing committee, prepared this article detailing the substantial differences in well control procedures and challenges between drilling and workover well servicing operations. Drilling, completion, workover, plug and abandon, and other well intervention programs, as well as operational procedures, be designed and. Introduction to well control this section of the course, following the introduction, helps people to understand the key basics of well control. In workover and completion, well control concepts are the same as drilling part and this quiz contains a total of 24 questions which are based on both iwcf and iadc well control. Well control for completions and interventions 1st edition elsevier. Well killing involves circulating a fluid called workover fluid e. Well control for completions and interventions 1st edition. The course covers the main factors in uencing completion design, the overall approach to a well ow capacity, the major types of completion con gurations, the main phases in completion, the drilling and casing of pay. Start date end date location classroom capacity taken price. After successfully completing the course and achieving a passing grade on the final exam you will receive a learntodrill certificate at the supervisory level in workover completions, coiled tubing, snubbing, and wireline. Apr 06, 2014 workover and completion are areas where well control can occur and personnel must understand well control correctly.
Emphasis will be placed on the practical reasons for the need to perform completions and recompletions and. Brine into the well whose weight is appropriate to control the formation pressure. The course aims to build on level 3 course content including barrier identification and shutin based on given rig up and focus on more complex aspects of well control and well kill methodology. Elearning learn the well control methods that can be used to remove a kick from the well when shutin. Completion and sand control, workover and well services. Well control courses iadc, workover, crew training, kick.
Well workover and intervention schlumberger oilfield. Purchase well control for completions and interventions 1st edition. Successful completion of the course and a pass mark of 70% or above in the iadc written examination will result in the iadc wellcap introductory certification which is valid for five years. Pdf formulas and calculations for drilling production. This course presents the basics of drilling and completion operations, plus post completion enhancement workovers. The drilling of a well takes many months of planning, preparation and a sizable quantity of cash. Ideally suited for the most technically demanding operations including hpht, both onshore and offshore, our. Too many training facilities currently focus only on the drilling side of the well s cycle when teaching well control. Day 1 workover and completion methodology production system purpose of well completion types of well completion. In workover and well servicing situations, well control commands special considerations editors note.
Risk management well problem and analysis production problems. Well control courses iadc, workover, crew training, kick drills. Participants will learn to visualize what is happening downhole, discover what can be accomplished, and learn how drilling and completion can alter reservoir performance. This lesson introduces the subject of well servicing and workover. Introduction the primary goal of every completion and workover operation is to complete the task in a safe and efficient manner without detrimental effects to the environment. Iadcdrillingoperations workover completion well control surfacesubsea well control training offered by well control school. Drilling workovercompletion surface well control training offered by well control school. Workover and completion operations training course. To emphasize key differences between completionworkover operations and. See how we integrate a broad range of services into one seamless offering.
It also gives an overview of the more detailed lessons that follow. This course has a competencybased curriculum which meets andor exceeds well control industry guidelines and standards set forth by iadc and the well control school. Well control for completions and interventions by howard. An introduction to well intervention spe aberdeen monthly evening meeting jim wright, the douglas hotel, 25th january 2011. This course covers pressure control knowledge required by personnel who are in critical well control positions during well intervention operations.
The well is handed back to the wells team to perform downhole surveillance, improve the well. It is an expensive process of pulling and replacing a well completion to repair an existing production well for the purpose of restoring, prolonging, or enhancing the production of hydrocarbons. Well workover completions supervisor jobs, employment. Mr debuys, under the auspices of the iadc well servicing committee, prepared this article detailing the substantial differences in well control procedures and challenges between drilling and workover wellservicing operations. Participants will learn the core differences of well control with clear fluids, and follow the exercise on control of depleted well. Please visit the iadc website for information about the program and the full course syllabus. Well control for wireline, coiled tubing, and snubbing supervisors. Emphasis will be placed on the practical reasons for the need to perform completions and recompletions and workovers during the.
Who should take the workover well control supervisory level course. Mike currently consults worldwide in the area of well completion, workover and well services, sand control, and formation damage prevention and treatments. Abstract applying blowout prevention concepts that have been. Casino5 well intervention and workover ep summary chnenemp0004 uncontrolled when printed page 5 of 98 document control ownership of this document remains within the cooper energy pty ltd drilling and completions. Axis energy services is leading a revolution in completion and workover services. Mike presently consults worldwide in the area of sand control and well completion, formation damage prevention and treatments, workover and well services. This chapter discusses the various methods of dealing with well control during completion and workover operations. Well workover and intervention schlumberger oilfield glossary. This course meets the required standard of the ministry of energy and the iadc and is primarily for production and workover supervisors. Covers acceptable planning, techniques, and equipment for completion and stimulation of newly cased wells. In workover and wellservicing situations, well control commands special considerations editors note. Online workovercompletions well control learntodrill.
This course has a competencybased curriculum which meets and or exceeds well control industry guidelines and standards set forth by iadc and the well control school. This course is built for workover and completions personnel involved in daytoday workover and completion operations. Drillingworkovercompletionsurface well control school. Well control for completion and workover well control school, well control school louisiana on.
New apps for well control in workover operations in development for ipod, iphone and ipad early 2018 on the app store workover simulator. Iadc wellsharp drillingcompletionworkover well control. Workover and completion are areas where well control can occur and personnel must understand well control correctly. Well completion and workover petro management group ltd. Well control barriers and integrity envelopes kick detection and well kill methods during workover and completion operations pumping and. Iadc workover and completions introductory well control group. A new standard in well control training and safety. Throughtubing workover operations, using coiled tubing, snubbing or slickline equipment, are routinely conducted to. This operation saves considerable time and expense. Completion equipment an overview sciencedirect topics. In fact, application of all rules required by drilling well control courses and manuals will. Formulas and calculations for drilling production and workover 2e. Kick detection and well kill methods during workover and completion operations 8. Horizontal and multilateral completions conventional single zone completion open hole completion this is the simplest of all completion types, where casing is run and cemented just above the producing.
Well control for completions and interventions pdf. Well workovers, or interventions, are performed by inserting tools in wellbores to conduct maintenance or remedial actions. Throughtubing workover operations, using coiled tubing, snubbing or slickline equipment, are routinely conducted to complete treatments or well service activities that avoid a full workover where the tubing is removed. Well servicing and workover is concerned with maintaining production from wells. Iadc wellsharp drilling completionworkover well control driller level 3 and supervisor level 4 this course covers fundamental and supervisorylevel technical overview of drilling operations, completion practices and post completion wellbore enhancement or remedial workover techniques. The well is handed back to the wells team to perform downhole surveillance. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Completion and workover well control needs are different. Workover well control manual oil and gas book reference.
Well servicing workover practices and well control. Also covers planning, organizing, and supervising remedial and recompletion operations on old wells. The first basic operation done during workover is well killing akhilome christian well workover 6. Although the importance of well control during servicing work is recognized, accidents and incidents still occur. Oct 27, 2015 the first basic operation done during workover is well killing akhilome christian well workover 6. In many cases, workover implies the removal and replacement of the production tubing string after the well has been killed and a workover rig has been placed on location. Workover and intervention well control for oil and gas operator representatives this wellsite leader oil and gas operator level course curriculum is designed for oil and gas operator representatives primarily responsible for the oversight of coiled tubing, snubbing, wireline, and workover operational processes of well control. Workover and completion well control quiz well control quiz. A well completion and workover method wherein a subterranean formation is contacted with a high density, nondamaging treating fluid which comprises a saturated, aqueous solution having finely divided particles of a water soluble salt suspended therein.
Axis offers highpressure blowout preventers and auxiliary equipment to control your well during completion and workover. Pdf pressure control for drilling completion and well intervention. Halliburton hydraulic workover hwo snubbing technologies provide a flexible and costeffective alternative to conventional drilling and workover rigs, whether its for drilling, repairing, reentering or completing a well. Work over well control petroleum reservoir hydraulic. It gives some basic facts about the petroleum industry in general and well servicing and workover in particular. One team recommendation was communicating actual well control incidents that. Work over well control free ebook download as pdf file. Must use a rigorous approach to establish design criteria. The course covers all material required under the previously approved iadc wellcap well control program. Secondary well control when strippingsnubbing pipe. Successful completion of the course and a pass mark of 70% or above in the iadc written examination will result in the iadc wellcap supervisory certification. These methods include circulating and noncirculating.
This goal can only be accomplished if control of the well is maintained at all times. Wellsharp provides trainees with indepth knowledge, well honed rolespecific skills, and greater confidence that they know what to. Well workover refers to any kind of oil and gas well intervention involving invasive techniques, such as wireline, coiled tubing, or snubbing. Designed as a text for those attending minerals management service mms certification classes. Iadcs wellsharp accreditation program provides comprehensive well control training standards for the global drilling industry, emphasizing rigorous training for every person with well control responsibilities.
Subjects include completion methods, production equipment, care and handling of sucker rods, well cleanout and well control. This petroknowledge training course features the types of completions, workovers and well preparation, surface and subsurface wellbore equipment and procedures, barriers, workover fluids, risk awareness and organizing a well control operation. This discipline covers various technologies that range in complexity from running basic slicklineconveyed rate or pressure control equipment to replacing completion equipment. We begin with basic calculations and go on through to details relating to well control downhole. Selfreliant execution of pumping operations like pressure tests, killing wells, cementations, circulation operations, well cleaning, acid treatment, pumping of annular protective fluid, setting of packers, release of setting tool, opening and closing of circulation systems i. Other training classes include crew awareness, true training, kick drill assessmentas, accumulator workshops.
Iwcf well intervention pressure control completion. In order to comprehend completion workover well control, we must first understand a few basic terms. Basic drilling, completion and workover operations bdc. If the well kicks during the completion or workover operation, the same data would be used to restore control. Iadc wellsharp drillingcompletionworkover well control driller level 3 and supervisor level 4 this course covers fundamental and supervisorylevel technical overview of drilling operations, completion practices and postcompletion wellbore enhancement or remedial workover techniques. The process of performing major maintenance or remedial treatments on an oil or gas well. He has handled challenging projects for bg, shell, total, knoc, chevron, eni and lukeoil in north america, europe, africa, central and.
Online workover well servicing well control learntodrill. W control in workover and wellservicing situations, well. Well control for completions and interventions explores the standards that ensure safe and efficient production flow, well integrity and well control for oil rigs, focusing on the postmacondo environment where tighter regulations and new standards are in place worldwide. A significant proportion of these are accounted for by completion, workover, and intervention activities. Iadcdrillingoperations workover completion well control. Well completion, well intervention stimulation, and workover well completion means to prepare the well for production by installing the necessary equipments into the well in order to allow the safe and controlled flow of hcs at the surface. Workover and completion well control quiz well control. This course is designed to provide participants with uptodate overview of the well completion and workover operations.
375 1141 65 902 575 270 1334 1591 1418 1511 195 429 1479 997 326 664 1153 1407 1403 566 1550 131 355 851 1212 732 906 1008 622 1082 1409 1042 1106 1277 1015 662 1226 659 949