A Annulus Pressure (psi) 3000
A Slurry Rate (bpm)
C Flowback Rate (bpm)
CC 40
35 2500
30
2000
0.98 psi/ft

1500
20
1000
0.72 psi/ft
15
10
500 5
0
09:00
7/10/2003
10:00
Barnett Shale Horizontal - Map View
巴尼特页岩水平线-地图
200 0
-200 -400 -600 -800 -1000 -1200 -1400
stage1 stage2 stage3 stage4 stage5 stage6 stage7 stage8 stage9 stage10 stage11 stage12 stage13 stage14 stage15 stage16 stage17 stage18 stage19 stage20
All Stages
-1600
South-North (ft)
-1800
-2000
-2200
-2400
-200 0
200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400
West-East (ft)
Barnett Shale Horizontal - Side View
果的理想概念（与井眼垂直）
Most Common Result for Openhole Hydraulic Fracturing—最常用裸眼井液压压 裂
Longitudinal Hydraulic Fractures (Along Wellbore Axis)
纵向液压压裂（与井眼轴同步）
Transverse Hydraulic Fractures (Perpendicular to Wellbore)
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Multiple fracs in pre-perfed liner
Multiple fracs in openhole
Multi-Lateral
SurgiFracSM
(Surgical Fracturing外科手术一样的压裂)
外部压裂
Horizontal Well Stimulation
水平井增产措施
Outline
• What is Surgifrac? —什么是Surgifrac ？ • Challenges of Horizontal fracturing—水平压裂的挑战 • Overview of Technology - How it works—技术概述-工
11:00
12:00
13:00
14:00
Time
15:00
16:00
17:00
0
18:00
7/10/2003
Creation of Longitudinal and Dominant
Transverse Fractures 径度增长和显性横向压裂
Multiple holes 多眼
10 diam
2 holes 2 holes 2 holes 1 hole 4 diam 2 diam 1 diam
Time 时间
Six SurgiFrac Waterfracs performed consecutively for an Openhole Chart horizontal well bore—裸眼井水平井眼六种连续外部水力压裂
(psi) (bpm)
Annulus Pressure, Tubing Rate, & Annulus Rate
作流程 • Case Histories – Proof that it works—实例-证明其作
用 • Questions—问题
Typical Implementations典型实施
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横向液压压裂（与井眼垂直）
Frac BH Pressure Behavior—压裂BH压力性能
Conventional Frac Initiation Pressure Response 常规压裂初始压力反应
Wellbore Pressure 井眼压力
SurgiFrac Wellbore Pressure Response 分段压裂井眼压力反应 Pump Rate 泵级 Prop Conc.
stage10
stage11
stage12
stage13
stage14
stage15
stage16
stage17
stage18
stage19
stage20
8100
Deptj (ft)
5700
5900
6100
6300
6500
6700
6900
7100
7300
7500 7700 7900
Upper Barnett Lower Barnett
巴尼特页岩水平线- 侧视图
stage1
stage2
stage3
stage4 stage5
All Stages
stage6
stage7
stage8
stage9
σ Hmin
High-Rate Uncemented Liner —高流量未固井的尾管 (Ported Sub - Limited Entry)
Dominant Transverse Frac 主要横向裂缝
Short, Longitudinal Fracs 短纵向裂缝
High-Rate Waterfracs -- Open Hole 高速水力压裂—裸眼井
This is What You Want这是你想要的
Idealistic Concept of Result for Longitudinal Hydraulic Fractures (Along Wellbore Axis) 纵向液压压裂结果的理想概念（井眼轴同平行）
Idealistic Concept of Result for Transverse Hydraulic Fractures (Perpendicular to Wellbore)横向液压压裂结