Uploaded by Abdul Hafeez

Cementing1

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Section
Page
1.0
Introduction
6
2.0
Primary Cementing Engineering
7
2.1
Mud Removal
7
2.2
2.3
2.4
2.1.1
Mud Conditioning
7
2.1.2
Pipe Movement
9
2.1.3
Centralization
9
2.1.4
Displacement Pump Rate
10
2.1.5
Spacers
11
2.1.6
Mechanical Aids
13
Cement Lab Testing
13
2.2.1
Definitions
13
2.2.2
Cement Lab Audit
16
2.2.3
Pilot Testing
16
2.2.4
Blend Testing
20
2.2.5
Onsite QC
21
Cement Slurry Design
22
2.3.1
Cement Slurry Properties
22
2.3.2
High Temperature Slurry Design
25
Special Cementing Challenges
26
2.4.1
Annular Gas Flow
26
2.4.2
Lost Circulation
27
2.4.3
Liner Cementing
28
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2.4.4
Salt Sections
31
2.4.5
Reactive Shales
32
2.4.6
Long Ratholes
32
2.4.7
Steam Injection
32
2.4.8
Foam Cement
32
2.4.9
Corrosive Environments
33
3.0
Primary Cementing Operations
34
3.1
Mixing and Pumping Cement
34
3.1.1
Pre-job Procedures
34
3.1.2
Job Procedures
36
3.1.3
Pressure Test Lines
38
3.1.4
Density Control
38
3.1.5
Pump Rate
39
3.1.6
Data Acquisition
39
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