Most Read

Latest

Responsibilities during Completion Operations

It is advised that onshore meetings will be held between equipment vendor, Company, wireline contractor and drilling contractor at least 6 weeks prior to the start of operations.

Company Representatives

The Company Representatives directly involved during completion operations are:

-           Senior Drilling Supervisor/ Drilling Supervisor

-           Well Site Drilling Engineer

-           Platform Production Supervisor

-           Completion Supervisor

A close liaison and an active co-ordination is necessary amongst the Company Representatives, with the Senior Drilling Supervisor (SDS) having the ultimate responsibility for the execution of all operations.

Task And Equipment Responsibilities

A table specifying the areas of responsibilities for Company personnel is given below. The following definitions are used for the table:

Prime (P): The designated individual is responsible for ensuring that the required activity is carried out in accordance with the programme, and with established practices and procedures.

Check (C): Assistance with, and inspection of ongoing and completed activities to ensure compliance with the programme, and with established practices and procedures.

Some tasks may be delegated by the Senior Drilling Supervisor to the Drilling Supervisor and/or the Well Site Drilling Engineer, in which case a further definition can be used.

Task/Equipment

Senior

Drilling

Supervisor

Completion

Supervisor

Platform

Production

Supervisor

Inspection, cleaning, acceptance of tubing, transport method (Onshore)

*

P*

 

Sub-assembly preparation, drifting, function and pressure testing (Onshore)

 

P

 

Tubing measurement and tally

C

P

 

Tubing, sub-assemblies, nipples, drifts, thread lubricant

C

P

 

Preparation and surface drifting of tubing

C

P

 

Inspection and acceptance of tubing

C

P

 

Sub-assembly preparation, drifting, function and pressure testing

C

P

 

Sub-assy numbering and measurement

C

P

 

Well preparation, well pressure testing, scraping and circulating

P

C

 

All electric wireline work

P

C

 

Electric wireline perforating equipment, lubricator and BOP

P

C

 

Tubing conveyed perforating

P

C

 

All washing/cleaning fluids and chemicals for completion

P

C

 

Production packers and packer tailpipe assemblies

C

P

 

Packer setting - mechanical/hydraulical

C

P

 

Packer setting depth

C

P

 

Sub-assy and tubing handling, make-up and running

C

P

 

All handling tools for tubing

P

C

 

All running tallies, in-hole tallies and spacing out

C

P

 

Control line fitting, clamping, running and testing

C

P

 

Tubing hanger installation, landing-off, tie-down and pack-off

P

 

C

Tubing hanger orientation-checking /washing

P

 

C

Running plugs in nipple

C

P

 

Packer and production string pressure test

C

P

 

Task/Equipment

Senior

Drilling

Supervisor

Completion

Supervisor

Platform

Production

Supervisor

Rigging up slick line lubricator

C

P

 

Xmas Tree and wellhead preparation, installation, function and pressure test

C

 

P

All slick line services, downhole tools and equipment

C

P

 

All operations of Xmas tree valves

C

P

P

Tubular run fishing/milling/cutting equipment. and procedures

P

C

 

BOP and Drill string related equipment and procedures

P

C

 

Return to shore of excess completion equipment and tubing joints

C

P

 

Stimulation, clean-up, injectivity test, production test

P

C

 

 

*   Material Department will order tubing and pupjoints and take full responsibility for all completion items.

Management And Reporting

The Senior Drilling Supervisor is responsible for communicating all requests and instructions to the Drilling Contractor personnel, but this may be delegated to other Company Personnel involved in the completion operations if deemed necessary. The Senior Drilling Supervisor shall be consulted on all instructions given  to the Contractors.

The Completion Supervisor is responsible for giving instructions to the various completion services/equipment contractors after consultation with the Senior Drilling Supervisor who will check these instructions with regards to safety and well control.

The Senior Drilling Supervisor is responsible for all reporting to the base.

The Completion Supervisor may instruct the Platform Production Supervisor for X-mas tree valve operations during wireline operations after consultation with the Senior Drilling Supervisor.

A representative from each of the contractors shall report to the Senior Drilling Supervisor in the daily Morning Meeting.

The Completion Supervisor is responsible for writing a final Well Completion Status Report stating all downhole equipment such as but not limited to:

-   ID/OD's for equipment, depths, manufacturer and identification number of equipment- and etc. shall be specified.

This report will also contain operational issues, high lights, problem areas, recommendations for future completions, etc.

Pre shift and pre job meetings shall be held between (as a minimum) drilling contractor crew, wireline contractor crew, tubing tong operator, completion equipment representative (if on board), completion supervisor.

Certification

All completion and downhole equipment technical specifications and data books will be held on the platform by the Completion Supervisor.