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COMPLETION DESIGN

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by

Jorge Grijalva

on 16 May 2014

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Transcript of COMPLETION DESIGN

COMPLETION DESIGN
COMPLETION DESIGN PROCESS
INTRODUCTION
Completion.
Design, Selection, installation of tubulars, tools, equipment locate in the wellbore for the propose of conveying pumping or controlling production or injection fluids
Function of a Completion
Production/Injection conduit between reservoir and well head

Optimal Customer requirements

Using up to date completion technology
Phases:
-Conceptual Design
-Detailed Design
-Procurement

1. Client Statement of Requirements
Steps of a Completion Design
2. Establish basis of Design Requirements
3. Determine Well Servicing / Work over Philosophy
4. Review Equipment Specification
5. Cost Estimate Analysis
6. Initial Conceptual Design Configuration
7. Tubing Movement and Stress Analysis
8. Completion Equipment Selection
9. Contingency Plan
10. Completion program
Created by the client summarizing what is required for completion (Reservoir and production data)
Decisions made in design and their justification
Document that provides an explanation to the various philosophies

(For basis of proposed client well schemes overall functionality requirements for the completion).

Covers permanently installed equipment

List of equipment should have desired functionalities
Equipment requirements / installation costs (running equipment and personnel) during the completion design.
Conceptual Design

(Draft Design from client giving a concept of what the client wants)
Calculate the variations in pressure, forces and movements applied (Load condition)

Confirm the suitability selected tubing and completion components

The most important decision processes is the proper selection of tubular components.

Length
ID/OD
Profiles
Connections
Pressure, Temperature and Load Ratings

List of failure modes and contingency plan
Set of instructions that detailed the activities that will take place in sequence they will occur.
(Management of Change Process)

Ensure performance, efficiency in terms of safety, service quality delivery, rig time costs.

Outline Basis.
Covers broad and major decisions (Sand Control, Stimulation, tubing size, completion type) (mainly client driven)
Detailed Basis design.

Metallurgy elastomers, tubing stress analysis, equipment selection. (Reviewed / Approved by client)—(Prior Purchasing equipment)
The reservoir.

(Fluid volumes, sand consolidation, #zones)
Future Requirements.

(Producers/Injectors, etc)
Operating condition.

(P, T, corrosion, hydrate, scale)
Government Legislation

(Safety Measures)
Workover method

Pressure
Temperature
Load Rating
Dimension
Base Case Design.
Response to the conceptual design as identical at it but detailed with part number of equipment
Alternative Design.
SLB proposal to the client. (Enhance value whether enhance production) (Reduced intervention or any other mean of adding value)
Tubing movement occurs due to reason:

Temperature changes
Pressure and mechanically-induced forces

Tubing is free to move
TDAS determine the maximum expansion or contraction (Tubing movement compensation system (Packer, Seal unit, etc))

Tubing attached to a packer
the tubing is unable to move (change the tubing stress) (Installed Load “Initial” Condition)

JOB PREPARATION
1. Key Service Quality Requirements

(Associated with pre-job planning, execution and evaluation) (Prevent service quality incident)
2. Quality Control Plan
(Insure every step of process is completed and verified proceeding to the next activity)
a.
Completion Quality Control Plan
b.
QCP Numbering CPLQP-LOC-###
(QCP-Location code-Number of location)
c.
Hand-over Review of Sales QCP
d.
Design Review/Client Meeting
(Any changes that might have occurred)

3. Job Diagram
(Identifies the individual responsible for the job preparation and wellsite crew)
4. Job Number Generation and Archiving
Format XXX-mmddyy-Well Name
Format ECG-051414-SSFD30
5. Job Preparation Meeting
(set levels of responsible, time, objectives)
a. FSM
b. Job Supervisor
c. Workshop Supervisor
d. Requirements
e. Job Preparation Meeting Agenda

6. Job Preparation Templates
(WellBuilder) (construct completion diagram and assembly certificate)
Operation Program Template
Generating Certificates in WellBuilder
Equipment and Material Tracking List (EMT)
Risk Analysis Template (HARC)

7. Completion Products Preparation and Testing

a. Job Preparation Inspection
b. Assembly Preparation
c. Assembly Makeup and Torque
c. Function and Pressure Testing
d. Electrical Measurement
8. Completion Service Equipment Preparation and Testing
a. Downhole Service Equipment
b. Surface Equipment (Handling Equipment)

9. Job Preparation Closure

a. Completion Basket and Container Loading
b. Job Preparation Audit

STEPS
JOB EXECUTION

a. Ensure all crew member have all required PPE
b. Ensure sub segment supervisor have the necessary product operating manual

c. Verify that the computer for the job has the required programs
d. Confirm all relevant job contact number for base and wellsite personnel
e. Ensure all OFS Journey Management standard are reviewed
f. For offshore HUET, Survival at Sea certification
g. Reconfirm that all individuals are current client
h. Ensure that personnel mobilization date allows adequate time to perform wellsite inspection and preparation
i. Ensure that HARCs are completed

Pre-departure Requirements
Base Pre Job Meeting
(Efficient service delivery)
i. Sub Segment FSM
ii. Job Supervisor
iii. FQC/QOS or a member from the Quality Team

PRE JOB
WELLSITE OPERATIONS
A. Inform the client representative of your arrival on location (Current Operation and timeline)
B. Check with the rig medic and client representative to confirm all crew members have arrived

1. Introduce yourself to key personnel on the rig (Tool pushers, drillers y crane operator)
2. The Job Supervisor and senior personnel should have a meeting with tool pusher or senior rig to get assistance in locating equipment
3. The job supervisor confirms all equipment basquet and lifts are on location
4. Job Supervisor shall visually inspect all individual equipment items
5. The relevant client-supplied and/or rig equipment is checked and verified
6. The job supervisor meets the Client Rep. to inform the condition of the equipment.

Wellsite Equipment Reception and Inspection
1. Have a brief meeting with the other relevant service companies to confirm their status
2. The job supervisor will lay out the completion tool/accessories in sequential order, and number each in sequential order

3. Function test and electric test and compare data to data recorded in the base
4. Verify that all contingency equipment are available
5. Meet with the Client Representative
6. Confirm Completion Schematic and Procedure Revision (Provide a copy)
7. Confirm work string size, connection, taper, etc. Make up and check all crossovers to the work string.
8. Confirm casing sizes, weights, grades, liner top, casing test.
9. Check production and isolation tubing size.
10. Review and update all design information
11. Check elevators
12. Become familiar with the rig setup.
13. Complete all necessary job calculation
14. The job supervisor prepare tubing tally
15. The job supervisor prepare cycle sheet
16. Spot control line spoolers for installation (Spot and tie down the control line)
17. Rig up sheaves
18. Downhole tool run in hole schematics are to be reviewed and validated by client
19. Request maximum gauge run on well
20. Request data on wellbore clean-up trips and final NTU’s of returned completion fluid
21. Drift all equipment as required

Wellsite Preparation
Completion Safety Meeting Checklist
Reviews for all activities on the rig

1. Safety meeting Checklist
2. Wellsite HARC and JSA

1. Date
2. Time
3. Summary
4. Event
5. Weigh up
6. Pressure
7. Volume

SEQUENCE OF EVENTS
(Activities carried out at the wellsite)
1. A summary of activity from the past 24 hours.
2. The current Activity
3. The plan for the next 24 hours
4. The personnel on board
5. Personnel requirements
6. Equipment requirements
7. Equipment backloaded
8. An NPT summary
9. Record of QHSE report numbers

DAILY REPORT
(Made available to the FSM)
WellBuilder software to generate the Final Completion Schematics
Job Evaluation
Requires the capture of client satisfaction, HSE events, Service Quality and crew evaluation

Final Job Completion Schematic
Customer Feedback on SLB’s performance at the wellsite
Customer Satisfaction Report
Performance appraisal of the crew on location by the job supervisor
Crew Evaluation
FTL.Net used for billing and sales field data capture.
Prepared at the wellsite
Must included
Operating Days (OPD)
(Number of personnel days),
Operating Time (OPT)
(The rig time when SLB was on the critical path for the well program)

Field Ticket
JOB CLOSURE
Begins since the wellsite execution has been completed and the personal and equipment have been released from the location.
End of Well Report (EOFW)
Used to gather knowledge, experience and data during the job

Must happen within 48 hours of the crew returning to base.

POST JOB MEETING

Job quality Manual
Final Completion Schematic with Assembly
Final Well Program
Wellsite Sequence of Event and Data Acquisition
Safety Meeting Checklist
Tally Sheets
Daily Rig Report
Service Reports and Service Tickets
Customer Satisfaction Report
QUEST reports

MEETING PREPARATION
1. End of Well Report
2. Executive Summary
3. Well Data
4. Final Completion Schematic
5. Product Information
6. Installed Equipment List
7. Running List
8. Calculations
9. Sequence of Events
10. Operational Review
11. Lessons Learned
12. QHSE and RITE
13. Attachments
14. Current Well Status
15. Customer Satisfaction Report
POST JOB DOCUMENTATION

Equipment from the wellsite must go through inspection before they are returned to inventory.

Job Closure Products and Equipment Inspection and Reception
Discussion with the client to review the overall operation, lesson learned, safety issues, opportunities for improvement. (Person or electronically)
Job Closure with the Client
JOB CLOSURE
After the crew has returned to location and job execution has been completed
Field Ticket Light (FTL)
Job Supervisor gives the FSM the signed ticket
The client must authorize the invoice

INVOICE
JOB QUALITY BOOK
Full transcript