17
Ball Activated Frac Sleeve 投球驱动压裂滑套
Design based on field proven CMU Sliding Sleeve 基于被油田证明的CMU滑套的设计 Exit ports designed with twice the flow area as tbg 设计出口流量是油管流量的两倍 HP/HT Dura-Frac Balls designed with low SG Dura-Frac 压裂球密度低且耐高压/高温 Over 10,000 runs from 1992 to 2006 自92至06年使用超过10000个 Transitional Ball Seat Geometry eliminates erosion 球座几何形状降低了冲蚀 Cast Iron Seats insure easy drill out 铸铁球座便于钻掉
8
/
5
时间/年
0 0 1 2
TIME
3
(yr)
4
5
6
Daily Gas Rate vs Time No Frac = 4.0 Daily Gas Rate vs Time No Frac = 8.0 Daily Gas Rate vs Time-OpenHole
Daily Gas Rate vs Time No Frac = 6.0 Daily Gas Rate vs Time No Frac = 10.0
向客户推荐其他增产措施
4
Well Frac-PointTM Well Analysis
Modeling Assumptions 模型假设 – Deviated, Cased hole, gas condensate
producer 套管斜井产凝析气 – Casing (Measured Depth) 套管(测深)
Frac Point System
多层压裂系统
Open Hole Fracture System
裸眼压裂系统
Agenda 议程
Primary Objectives Frac Point System Animation System and Component Overview Future Development 主要作业目的 作业过程展示 系统部件介绍
25
日 产 气 量 （ 百 万 立 方 尺 天 ）
(MMscfd) DAILY GAS RATE
20
15
10
~ reservoir depletion model show the production decline forecast for a 6 year period with a 3-1/2” production tubing size. 油藏衰竭模型显示3-1/2”的油管在6年间的产量递减预测
FLOWING BTM PRES
井 底 流 动 压 力 （ psi ）
Outflow: 2-7/8” tubing
Outflow:3-1/2” tubing
流出曲线- 2 7/8”油管
(psig)
5500
流出曲线- 3 ½”油管
5000
4500 0 10
流出/流入曲线
FLOW RATE
20
(MMscfd)
未来开发方向
2
Frac Point System 多层压裂系统
Introduction 介绍
•
•
•
•
Increasing drainage area is one effective way to increase production 增加泄油面积是增加产量的一个有效途径 Horizontal is one good way to increase drainage area 水平井是增加泄油面积的一个有效途径 Good cement in horizontal well is a challenge 要在水平井得到好的固井质量是很困难的 Fracture is another way to increase drainage 压裂是增加泄油面积的另外一个有效途径
产量
30
40
Inflow No Frac = 5.0
Inflow No Frac = 8.0
Inflow No Frac = 10.0
Outflow Tbg OD = 2.875
Outflow Tbg OD = 3.500
~ production rate is determine at the point of intercepts of inflow & Outflow curves
流入和流出曲线的交叉点为最佳产量
7
Nodal Analysis – Depletion Model 节点分析-衰竭模型
Xs-p2 Well - Daily Gas Rate Forecast (3-1/2" Tubing Size)
30
单井日产量预测-3 1/2” 油管 1立方尺=0.02832立方米
6000
8000
– Tubing 油管
2-7/8” 6.4#/ft (0 – 11,760ft)
10000
– Reservoir Data (data sheet)
油藏数据(数据表)
12000
– Fracture Data 压裂数据
Fracture Half Length ft 450
Pwh BHP Permeability Porosity Thickness psig Psig mD % ft 3625 5582 0.179 7.05 338
– Six (6) transverse fractures is considered optimum. Only a marginal production increase is gained with
additional fractures. 考虑6层横向压裂是最佳方案。10层比8层压裂只多得少许产量
15
Open Hole Packer Element System 裸眼封隔器密封系统
Four Element Packing System 4胶皮密封系统 Expandable Metal Back Up Rings 膨胀式金属支撑环
16
Ball Activated Frac Sleeve 投球驱动压裂滑套
3
Well Frac-PointTM Well Analysis
Frac-PointTM油井分析
Modeling Objectives 模型目标 – Determine the productivity improvement of using Frac-pointTM multifracture completion system over traditional open hole solution
6
Nodal Analysis – Well Performance
节点分析-油井动态
Effect of Number of Fractures on well productivity
压裂数目对产能的影响
Xs-p2 well - Inflow/Outflow Performance Plot
6000
Frac-pointTM多层压裂完井系统比传统的裸眼完井方式能提高生产率
– Determine optimum numbers of transverse fractures for well. 确定井的
最佳的横向压裂数目
– Recommend additional measures to add value to customer.
Productivity Analysis Considered: 产量分析要考虑到：
Effect of Numbers of Fractures – Open Hole (No Fracture),4, 6,8 & 10 fractures. 压裂数目效果-裸眼(无压裂)、4层、6层、8层和10层压裂 – Effect of tubing sizes – 2 7/8” 6.40 #/ft, 3 ½” 9.20 #/ft 油管尺寸效果 – 2-7/8” 6.40 #/ft, 3-1/2” 9.20 #/ft – Production forecast 产量预测 – Recovery factor 采收率
Proppant Permeability mD 180000
Horizontal Section ft 800
Fracture Width in 0.2
Drainage OGIP acres MMscf 1112 175000
5
Well Frac-PointTM Well Analysis
Frac-PointTM油井分析
Frac-PointTM油井分析
Deviation Profile ( Whd @ 0.00 feet )
Offset (feet) 0 0 500 1000 1500 2000 2500 3000 3500 4000
2000
True Vert Depth (feet)
4000
9-5/8” 53.50 #/ft (0 – 11,800 ft); 5-1/2” 17 #/ft (11,760 – 14,939ft);
13
Premium Open Hole Packer
优质裸眼封隔器
14
Premium Open Hole Packer 优质裸眼封隔器
History : 历史 – Developed as the Premier Removable Packer System开发作为可取 式封隔器系统