1 Sand Consolidation 1.1 Introduction This job outline provides the general considerations to be taken when carrying out a sand consolidation job by coiled tubing. The details will be dependent on the candidate well/formation chosen and thus each programme should be prepared separately. The key parameters are those required to calculate treatment volumes and pumping … Typical coiled tubing procedures

1 Service selection The selection of the well intervention method for a particular task should consider: Geographic location: The location determines accessibility, weight/size/configuration restrictions and service availability (e.g. skid mounted vs. truck mounted units), so as not to exceed platform capacities (eg. offshore lifting capacities) or prevent well access. Well design: The depth of the … Coiled tubing operations and HSE considerations

1 General The coiled tubing operation permits the technique of “snubbing” a continuous length of tubing in and out of a live well through a stripper BOP arrangement. It consist of the following equipment: Coiled Tubing Reel Unit Power Pack Control Unit Tubing Injector Unit Blowout Preventers (including lubricator and stuffing box) Auxiliary equipment is … Coil Tubing Equipment

1 General Advances in coiled tubing manufacturing techniques and stress/fatigue prediction, have reduced the risk of coiled tubing failure. In principle, live/flowing well can be introduced in an uninterrupted (no joints) length of tubing. However, there are three basic limitations: Life limits – primarily due to the fatigue by bending that occurs to the pipe … Coil Tubing Applications

Production testing is potentially a hazardous operation which requires good planning, programming, and preparation. Active co-operation and co-ordination between all parties involved are essential to successful production testing operations. Personnel Responsibilities Offshore Installation Manager The Offshore Installation Manager is responsible for the overall safety of the platform and personnel, and as such, should be kept … Organization and Responsibilities during Production Testing

Production testing may cover a whole range of operations and involvement of a number of services and equipment contractors. In the following, general requirements to the outline, execution and follow-up of the operations are defined. General Production Test Outline 1) Perforate the casing across the test interval or clean up the wellbore in open-hole testing. … Production testing requirements

This article only describes specific safety and environmental aspects during production testing. A separate document must be available with detailed procedures for the safety precautions during all other rig operations. Safety Meetings                                                                 A “Pre-Testing Safety Meeting”, attended by the Company Drilling Supervisor and Platform Production Supervisor, shall be held with each crew and all sub-contractor … Production Testing – HSE Requirements

Sand production from oil and gas reservoirs will occur when the stresses in the formation rock exceed the mechanical strength of the rock material. This can happen in both unconsolidated and clastic reservoirs due to a combination of: high drawdown, depletion, changes in near wellbore fluid composition and cyclic loading of the wellbore. A Review … Sand control Introduction

Massive sand production from unconsolidated sandstone can occur as soon as the well is brought on stream. This may quickly lead to unmanageable problems in which case sand control methods will be required to continue production. In the more consolidated reservoirs, sand production may be restricted to short bursts as the well is being beaned … Planning of sand control

A number of unplanned scenerarios are possible, when carrying out a sand consolidation job. Below are a list of the most likely ones, and the corresponding contingencies procedure associated with them. During the pre-job meeting, these contingencies should be discussed and where necessary additonal options included. Although this appendix applies to all epoxy based systems. … Contingency procedures