horizontal wells control

Performance of Horizontal Wells with Inflow Control …

Horizontal well techniques play an important role in the development of unconventional oil and gas plays. A key challenge in horizontal well completions is that …

Horizontal Drilling

The Office of Oil and Gas welcomes you to this page, which is dedicated to providing information about permitting activity related to horizontal well development which falls under the Natural Gas Horizontal Well Control Act. The Act defines a horizontal well as "any well site, other than a coalbed methane well, drilled using a horizontal ...

Optimization Technology of Well Trajectory of Shale Oil Horizontal Well

The vertical depths of accomplished horizontal wells of Cangdong sag are generally at about 3800 m, the average measured depth (MD) of plan is 4740 m, and the average length of horizontal section is 912 m; with high heterogeneity of the reservoir, as many as 5 to 6 warning control targets are set; the trajectories are adjusted many times …

Well Control Operations for Horizontally Drilled Wells …

Well control philosophy is based on keeping the bottom-hole pressure constant during all phases of the operation. In horizontal wells, the additional wellbore length contributes to the fluid ...

What is a Horizontal Well?

A horizontal well is a drilling technique that drills with an inclination of greater than 80 degrees to a vertical wellbore. Horizontal wells are used in situations where the reservoir is abnormally shaped, or excavation is impossible. Horizontal drilling is preferred over vertical drilling due to its ability to access subsurface reservoirs ...

Simulation and application analysis of gravel packing in …

1 INTRODUCTION. Although, openhole gravel packing is now viewed as a means of enhancing the reliability, efficiency, and longevity of horizontal sand control completions, 1-6 there are still considerable risks in horizontal well gravel packing, especially in extreme cases such as long horizontal well and unconsolidated sandstone reservoir. 7-9 It is …

Well-Control Operations in Horizontal Wells

Summary. This paper analyzes well control for horizontal wells. It presents a computer model for predicting the pressure behavior in a horizontal well during gas-kick removal and analyzes the simulation results for several field conditions. The paper also analyzes the drillpipe-pressure schedule, the kick-tolerance concept, and the swabbing …

Downhole flow controllers in mitigating challenges of long …

Key words: Downhole flow controllers, horizontal wells, inflow control devices (ICD), internal control valves (ICV), production enhancement. INTRODUCTION Application of horizontal drilling technology in oil field ... horizontal well may incur a huge additional completion cost and may impact profitability of the project. Instead, a

LFG Energy Project Development Handbook

vertical wells, horizontal wells, leachate management components, under cap collectors and other applicable devices. The design should address the whole of the targeted disposal area, accommodate the ... To control costs, systems operating for compliance can often be implemented with relatively less dense well spacing and therefore fewer wells ...

Study on Multi-Phase Flow Rule of Horizontal Well in Deep Water …

The parameters of the example well are: water depth 1300m, well depth 1745m, vertical depth 1600m, deflection point 1528m, horizontal displacement 200m, dog leg 2 5°/30m, ground temperature 20°C,

Modeling and Simulation of Autonomous Inflow Control Devices …

Horizontal well technology is an efficient method of oil and gas exploitation. The goal of increasing oil production and improving productivity can be achieved by increasing the contact area between the reservoir and the wellbore. The presence of bottom water cresting reduces the efficiency of oil and gas production significantly. Autonomous …

Sand control in horizontal and deviated wells

International Best Practices Guide for LFGE Projects – 2012

Horizontal Wells. Horizontal extraction wells can be installed while an. SWD site is still receiving waste and may be used if LFG collection is desired in an area before closure. Figure 3-2 provides an example of a horizontal extraction well. Horizontal extraction wells are placed in a trench within the refuse. The

Operations and Equipment of Well Drilling | SpringerLink

Horizontal wells are then created from the vertical well. Directional drilling started as a result of the need to achieve goals that were not achievable by vertical wells. ... The Well Control System or the Blowout Prevention System on a drilling rig is the system that prevents the uncontrolled, catastrophic release of high-pressure fluids (oil ...

New perspectives on horizontal to vertical well ratios for site …

HDD wells can also be incorporated with permeable reactive barriers or hydraulic control systems. 2 VERTICAL WELLS VERSUS HDD WELLS. ... This is not the case with vertical wells. A vertical well allows a discrete vertical section of the subsurface to be screened. Depending on the radius of influence and size of the area, multiple …

The Gravel Packing Length Determination Method …

Horizontal well gravel packing is the most commonly used sand control technology in offshore oil and gas fields. For extreme conditions such as deepwater, low fracture pressure formations, and …

Horizontal Drilling in Utah: Can Utah Compete with Surrounding States

The first horizontal drilling in Utah occurred at the Grassy Trail field near the town of Price. Between 1982 and 1984, 18 wells with multiple short horizontal laterals (average of only 332 feet) were drilled in the Triassic Moenkopi Formation. The best eight wells were completed for an average production rate of 128 barrels (bbls) of oil per ...

Application of Chan Plot in Water Control Diagnostics for Field

For vertical wells open to flow only in a portion of the oil zone and for horizontal wells drilled above the oil-water contact, water from the underlying aquifer moves upward to a characteristic ...

Evaluation of the Effectiveness and Adaptability of a …

Wang et al. Control Process for Horizontal Wells. gas reservoirs. The ICD/AICD is a passive device, and once it is placed in the completion tubing column, it cannot be adjusted

Getting to Know Your Landfill Gas Collection and Control System

The LFG collection wellfield consists of two major integrated components: vertical wells and horizontal trenches for LFG collection; and main LFG header piping and branch piping connections to ...

Semi-analytical solution for bottomhole pressure transient

Compared with vertical well, horizontal wells have lower cost and control larger drainage area in the exploitation of fracture-cavity reservoir. Figure 2. Schematic diagram of fracture-cavity ...

Horizontal Well Completion with Multiple Artificial Bottom

The horizontal well completion with stinger is usually used to control the bottom water cone. Although the pressure profile and the inflow profile along the horizontal wellbore can be divided into two parts by the stinger, these profiles have not really flattened. In order to flatten the pressure distribution and inflow distribution further, it proposes a …

Design and Application of Intelligent Completion Device (ICD) in

In this work two wells have been selected for the study; Well #1, Well #2. The ICD units are installed at the horizontal sections of these wells in the Bouri oil field.

Well Control Operations for Horizontally Drilled …

In this study, well control methods and industry standards are investigated for horizontal wells using a well control simulator. Different well control methods are tested and the …

Horizontal well

Seal or relieve pressure in an out-of-control well, a relief well can be drilled using horizontal drilling techniques to intersect the original well and relieve pressure there. With the advancements of horizontal and directional drilling equipment, various wells can be drilled at a number of angles from a single location.

Well Control Formulas & Illustrated Examples

Pressure rise allowed while well is shut in (check shut-in procedure) = 100 psi. Current psi/barrel factor = 14 psi (see above drilling formulas) VOLUME TO BLEED, bbls. = 7 barrels. If SICP = 800 psi, Allow 50 to 100 psi for Safety. Let SICP rise with well shut-in due to gas migration to 800 + Safety, e.g. 875 psi.

Operation and Performance of Horizontal Wells for Leachate Control …

Abstract and Figures. This paper presents data on gas and leachate flow rates and leachate levels obtained during a 600day pumping trial on three retrofitted horizontal wells in a domestic waste ...

A new method of water control for horizontal wells in …

Introduction. The reservoir driven by a strong aquifer with the main characteristic of oil layer and water layer by horizontal interfaces, and all oil-bearing …

Intelligent Drilling and Completion: A Review

Intelligent drilling and completion is regarded as a transformative technology and has become a hot spot or hub for development in the oil and gas industry, significantly improving DE and reducing drilling costs. In this review, seven intelligent scenarios or application areas of AI techniques in drilling and completion engineering are proposed ...

Research on the Inflow Performance of the Plunger …

Shale gas wells in the Changning block of Weiyuan, Sichuan, China, experience water production problems throughout their life cycles. In actual field production, plunger lift is typically used to …