Packoffs and stuffing boxes forum energy technologies, inc. Well intervention services stuart pressure control. Gas was flowing into the lake bed and then to the water surface where it had caught fire. Multifunction flowheads to control flow with surface pressure barriers. Seal is maintained by hydraulic pressure supplied by a 3,000 psi. The level 4 course focuses on the duties and responsibilities of an individual working in a supervisory role. It shows the bop blowout preventor which is a classified as a secondary barrier element. The iwcf well intervention pressure control wipc level 3 and 4 course is a five day intensive program aimed at people who are in critical well control positions during well intervention operations.
Too many training facilities currently focus only on the drilling side of the well s cycle when teaching well control. Pressure basics u nderstanding pressure and pressure relationships is important if we are to understand well control. Iwcf well intervention pressure control completion, wireline. This article and associated study guide work book available for download detail the exact techniques i used this april 2017 to pass the iwcf level 4 well control exam scoring a 96% on the iwcf principles and procedures, and a 95% on the iwcf equipment exam. In heavy intervention, the rig crew may stop production at the formation before making major equipment changes. Kick handling with losses in hpht environment ng, fred. Wellsharp provides trainees with indepth knowledge, wellhoned rolespecific skills, and greater confidence that they know what to. Level1 is the industrys first free elearning course which is available now to everyone who is the course for. Sep 28, 20 pressure basics u nderstanding pressure and pressure relationships is important if we are to understand well control. Drilling well control and well intervention pressure control. Well intervention presssure control iwcf casing borehole.
Data for downhole pressure, temperature, and flow are also gathered. The class is designed for service equipment operators and supervisory personnel in their jobs and is available for two levels for the different roles within the industry. The aim of the iwcf level 4 supervisor well intervention pressure control course is to develop the candidates knowledge and understanding of well intervention pressure control. The material is available in pdf format in both english and spanish. The first elearning delivery of the iwcf level 2 well intervention pressure control mandatory prerequisite certification programme. Modern drawn wire slickline was originally developed to cope with deeper wells. Well service personnel typically perform light interventions using slickline, wireline, or coiled tubing. Iwcf well intervention pressure control combined certificate. Flow is everything, so light interventions happen in live wells while pressure is contained at the surface and involve slickline, wireline, or coiled tubing to minimize potential well blockages and change or adjust downhole equipment. Nonconductive wireline is one of the oldest methods of well intervention. Pressurebalanced piston low bonnet bolt torque integral equalizing valves well pressure isolated seals hydraulic ram change internal porting independent bonnet testing ram position indicator manual locks options upper test and lift flange 4.
Pressure control during well intervention iwcf level1. Iwcf level 4 well intervention pressure control aberdeen. The course is delivered through interactive lecturing supported by animations. Secondary well control when strippingsnubbing pipe. Whether the problem is due to a failed safety valve at surface, a flowline component that is pressure locked, a frac valve or other wellhead component that will not functioning properly, stuart pressure control provides experienced planning and successful. 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. The course is delivered through interactive lecturing supported by animations, group. Pressure control manual for drilling, completion and well intervention operations. Operators, well services supervisors, production engineers and supervisors, integrated service crews and supervision, wireline, coiled tubing and snubbing crews and supervisors, taking the certificate for the first time. Iwcf well intervention pressure control level 2 elearning. In light intervention, technicians lower tools or sensors into a live well while pressure is contained at the surface. How to pass the iwcf supervisor well control exam the. Jun 07, 20 this manual presents the well control policies and procedures of transocean sedcoforex. Well control simulation a tool for engineering and operations.
Oct 21, 20 wells in low pressure areas often require an artificial lift mechanism rod or submersible pump, gas lift valves, etc. Iwcf well intervention pressure control level 4 duration. Well control for completions and interventions 1st edition. Agree the well objectives, schedule, costs, order equipment, place contracts for the rig and services, prepare the site. Iwcf well intervention pressure control completion. By defi nition, pressure is the force that is exerted or placed on a unit of area, such as pounds per square inch psi. Pressure chamber between packers for lubricating coiled tubing, monitoring pressure, and monitoring inhibitor injection snub into well with either packer longlife bushings same mounting flange as the overunder and side door model dsw6 specifications. This globally recognised iwcf well intervention pressure control wipc level 3 and 4 training course is designed for the below. This interactive well control quiz contains 25 questions related to tricky questions and well control equipment. Well intervention services are based upon safe solutions for mechanical failures on wells where trapped pressure is potentially involved. Well intervention or well work is a operation carried out on an oil or gas well during, or at the end of it productive life that alters the state of the well or well geometry, provides well diagnostics, or manages the production of the well depending upon the operation it is categorized as light or heavy intervention. Manual bops are used primarily for low pressure nongas service.
An introduction to well intervention spe aberdeen monthly evening meeting jim wright, the douglas hotel, 25th january 2011. This programme is for people who are in critical well control positions during well intervention operations. Ed offshore inspection guide health and safety executive. Well intervention presssure control iwcf free ebook download as pdf file.
A well may be produced temporarily to establish the reservoir potential. There are various geological reasons for abnormal pressures. The advanced well control for completions and well intervention professionals course. Stuart pressure control offers a complete array of well intervention services. Workover well control manual oil and gas book reference. Pdf pressure control for drilling completion and well intervention. Insufficient mud density if a formation is drilled using a mud density that exerts less hydrostatic pressure than the pore pressure, the formation fluid may begin to flow into the well bore. Well control manual 9 than the formation pressure and may cause a well kick. Introductory well control course for well completion and intervention operations team members introducing the fundamentals of maintaining well control during well interventions operations. This unit it designed to wipe wire free of well fluids and debris. Wwcis well control training division is the largest well control training provider for iadc, api and iwcf in the world.
Manual global wells manual developed with input from the business lines. During this time frame, the driller starts actually drilling the well and the supervisor level 4 candidate is actually out of the simulator room. He is also an experienced oil and gas trainer, teaching more than 100 completion, intervention, and well control courses around the world for major companies such as bp, shell, and total. Delegates are required to complete a minimum of 20 hours tuition and they have up to 6 months to complete a started programme. Our well intervention pressure control wipc subsea module was created to enhance the existing wipc syllabus. A well may be produced temporarily to establish the. For electric line and slickline operations, the flowhead supports the test string from the elevator and provides a means of surface well control during completions, testing, or live well intervention operations. Pressure in the annuli are monitored to check the status of the annulus seal, confirm that the pressures are within design limits and when a well is on gas lift optimise well performance. This manual is to be kept on all rigs and in the operations offices and it is to be used as the reference for all well control operations. Well control for completions and interventions sciencedirect. Saphir welltest interpretation software reference manual. Each question contains 3 possible answers and there is full explanation for each one.
Aberdeen drilling school is the largest independent well control training centre in europe, having developed and delivered well control training in over 50 countries worldwide since its inception in 1982. Tricky questions and well control equipment well control. Whether the problem is due to a failed safety valve at surface, a flowline component that is pressure locked, a frac valve or other wellhead component that will not functioning properly, stuart pressure control provides experienced planning and. Iwcf well intervention pressure control wipc level 3 and 4.
Electric line pressure control equipment string typical pressure control. In light intervention, technicians lower tools or sensors into a live well. The first 40 minutes or so of the exam was going over the instructions to the driller as well taking the slow pump rates spr and choke line friction clf values. Wild well provides students with the tools necessary for a successful well control training experience.
Action the need for inspections of well control arrangements for particular installations will be identified in the operator proposed intervention priorities. 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. Although this module is primarily aimed at level 4 candidates, it is also available for level 3 candidates who have experience of subsea well intervention operations. Over 9,000 students in 2010, 10,000 in 2011, and 11,000 in 20. It was the development of pressure control equipment, enabling slickline to be run into a well with pressure at the surface that guaranteed its widespread use. Pressure control for drilling completion and well intervention operations oil gas. The well operator will specify a maintenance and monitoring regime for the wellhead and xmas tree. For the love of physics walter lewin may 16, 2011 duration. Too many training facilities currently focus only on the drilling side of the wells cycle when teaching well.
It has been developed with input from operations, engineering, well construction and training. The well is created by drilling a hole, isolating with casing and cement and repeating this process until the target depth and location are reached. Mar, 2018 for the love of physics walter lewin may 16, 2011 duration. Well control training drilling engineering association. Pressure control for drilling completion and well intervention operations oil gas industry. Personnel concerned with well intervention operations wireline, coiled tubing, snubbing, workover. Well academy iwcf well intervention pressure control. 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.
Two door stripper packers model bore working pressure connections dimensions. The well is handed over to operations and connected to the process facilities. This course covers pressure control knowledge required by personnel who are in critical well control positions during well intervention operations. The team initially inspected and assessed the conditions of the barge and well. Well intervention pressure control courses aberdeen. Wells in low pressure areas often require an artificial lift mechanism rod or submersible pump, gas lift valves, etc.
Our well control training is unmatched, providing for operations onshore, inland waters, offshore and deepwater environment. Pdf pressure control for drilling completion and well. The well integrity operating philosophy is an important element that one should carefully consider with respect to how to manage the risk of loss of containment and overexpose oneself with additional risk by frequent well visits and interventions that brings exposure to the people and environment by doing these activities. Following on from the recommendations from iogp report 476 in october 2012, we have developed a new programme of training with new syllabi for both our drilling well control and well intervention pressure control programmes. Essential training for well completion and intervention operators in wireline, coiled tubing andor snubbing. Adc well control simulation simlator control video duration. Well control simulation a tool for engineering and operations ng, fred. Foreword this manual presents the well control policies and procedures of transocean sedcoforex. Programmes programme development following on from the recommendations from iogp report 476 in october 2012, we have developed a new programme of training with new syllabi for both our drilling well control and well intervention pressure control programmes. Well academy iwcf well intervention pressure control level.
A well control procedure is initiated and the kick is circulated out of. Iwcf offer two training programmes to candidates in the oil and gas industry. He authored shells internal well control manual that is still in use today. Additionally, this content is based on both iwcf and iadc well control. To provide an understanding of well intervention and pressure control techniques with the necessary skills to plan, supervise and carry out well intervention operations. Hydraulic latch assembly hla forum energy technologies. This task is accomplished by the use of replaceable rubber inserts that squeeze around the wireline as it is drawn through the packoff body. Personnel with secondary involvement in well operations, e. Well control equipment manufactured, remanufactured andor repaired to the appropriate international standard specification, and is fully compatible andor can be integrated into other. If the well is to be put on productioninjection it is completed with tubing and flow control equipment.
1467 1409 1428 801 1152 646 1516 1621 1385 347 1483 1348 531 160 984 1183 985 962 685 872 398 877 955 919 1372 1232 1370 175 526 180 1060 760 912 958 1455 398 1400 805