Views: 4 Author: Site Editor Publish Time: 2023-09-02 Origin: Site
|Drilling Depth (114mm Drill Pipe)||1000m||1500m||2000m||3000m|
|Workover Depth (88.9mm Drill Pipe)||3200m||4500m||5500m||6500m|
|Max Hook Load||900kN||1125kN||1580kN||1800kN|
|Max Hook Speed||0.2～1.4 m/s|
|Engine Model||CAT3406B||CAT3408B DITA||CAT3412B DITA||CAT3408B DITA|
|Hydraulic Transmission Model||CLBT5961||CLBT5961||CLBT6061||CLBT5061×2|
|Transmission Type||Hydraulic + Mechanical|
|Maximum Hoisting Line Count||4×3||5×4||5×4||5×4|
|Main Hoisting Rope Diameter/mn||φ26||φ26||φ29||φ32|
|Crown Block Model||YG90||YG110||YG135/YG160||YG180|
|Rotary Table Model||ZP175||ZP175||ZP175||ZP205|
|Chassis Model/Drive Type||XD40/8×6||XD50/10×8B||XD60/12×8||XD70/14×8|
|Approach Angle/Departure Angle||25°/16°||25°/16.3°||30°/18°||30°/18°|
|Minimum Ground Clearance/mm||311||311||311||311|
|Minimum Turning Radius/m||14||15||19.2||20.5|
|Main Unit Weight/kg||42000||47000||55000||60000|
|Accessory Weight/kg||About 15000||About 20000||About 25000||About 30000|
|Mud Tank Effective Volume/m³||Not less than 80||Not less than 80||Not less than 160||Not less than 165|
|Drilling Rig Model||ZJ40/2250DZ(DB)||ZJ50/3150DZ(DB)||ZJ70/4500(DZ)||ZJ90/5850DZ|
|Nominal Drilling Depth/m (114mm Drill Pipe)||2500～4000||3500～5000||4500～7000||6000～9000|
|Max Hook Load/kN||2250||3150||4500||5850|
|Maximum Lines in Travelling System||10||12||12||14|
|Drilling Wire Rope Diameter (mm / in)||32(1¼)||35(13/8)||38(1½)||42(15/8)|
|Diameter of Travelling System Pulleys/mm||1120||1270||1524||1524|
|Swivel Center Pipe Diameter/mm||75||75||75||75|
|Drawworks Rated Power/kW||735||1100||1470||2210|
|Rotary Table Opening Diameter (mm / in)||520.7(20½)||698.5(27½)||952.5(37½)||1257.3(49½)|
|Rotary Table Speeds||2||2||2||2|
|Mud Pump Single Unit Power (kW / hp)||735(1000)||960(1300)||1180(1600)||1470(2000)|
|Derrick Working Height/m||43||45||45||45|
|Drilling Platform Height/m||7.5||9/10.5||9/10.5||10.5/12|
|Drilling Platform Clear Height/m||6.26||7.617/8.92||7.42/8.92||8.7/10|
|Mud Tank Effective Volume/m³ (excluding reserve tanks)||Not less than 180||Not less than 240||Not less than 360||Not less than 480|
In the oil and gas industry, effective well repair equipment is essential for maintaining the smooth functioning of drilling operations. This article aims to provide a comprehensive overview of three crucial components of well repair equipment: (Well Repair Equipment), (Drilling Rigs), and (Mud Pumps). Each component plays a significant role in ensuring the efficiency and safety of drilling processes. Read on to explore the functions, features, and importance of these essential tools.
Section 1: Understanding Well Repair Equipment
Well repair equipment, also known as well servicing equipment, is specifically designed to enhance the safety and productivity of well maintenance. It encompasses various tools and machinery required to inspect, repair, and maintain oil and gas wells. These equipment are often categorized into two types: workover rigs and well service rigs. While workover rigs are primarily used for major repairs, completion operations, and well interventions, well service rigs are employed for routine maintenance and minor repairs.
Subheading 1.1: Workover Rigs
Workover rigs are heavy-duty machines utilized for drilling intervention activities. They consist of a derrick, drawworks, and rotating equipment that enable the pulling and replacement of completion strings.
When a well needs substantial repairs or requires maintenance after drilling operations, workover rigs are deployed. These rigs can perform complex tasks such as casing repairs, well cleanouts, and artificial lift installations.
Subheading 1.2: Well Service Rigs
Well service rigs are versatile equipment used for routine maintenance, interventions, and minor repairs. They are relatively compact and mobile, allowing easy transportation between well sites. Well service rigs are crucial for activities like pump replacements, downhole instrument installations, and routine well servicing tasks, ensuring the continuous operation of wells.
Section 2: Exploring Drilling Rigs
Drilling rigs are indispensable for the initial drilling of wells, facilitating the extraction of oil and gas reserves from underground reservoirs. These rigs are equipped with advanced technology and powerful machinery to penetrate various terrains, ensuring precise drilling operations.
Subheading 2.1: Rotary Drilling Rigs
Rotary drilling rigs employ a rotating motion to drill boreholes into the ground. They consist of a mast, top drive, drill pipe, and a rotary table. These rigs are capable of drilling through various formations, such as sedimentary rocks, hard formations, and shale. Their flexibility and efficiency make them widely used in the oil and gas industry.
Subheading 2.2: Directional Drilling Rigs
Directional drilling rigs, also known as slant rigs or deviated drilling rigs, enable drilling at non-vertical angles. They are employed when drilling needs to bypass obstacles or reach specific targets located away from vertical positions. Directional drilling rigs utilize advanced guidance systems and specialized tools, allowing precise well placement and maximizing production from reservoirs.
Section 3: Understanding Mud Pumps
Mud pumps play a crucial role in drilling operations by circulating drilling fluids, commonly known as drilling muds. These fluids perform various essential functions, including cooling the drill bit, lubricating the drill string, removing drill cuttings, and maintaining wellbore stability.
Subheading 3.1: Centrifugal Mud Pumps
Centrifugal mud pumps utilize centrifugal force to create pressure and circulate drilling fluids. These pumps are crucial for continuous mud circulation, preventing well collapse and facilitating efficient drilling. They offer various advantages such as simple maintenance, high flow rates, and compatibility with different drilling conditions.
Subheading 3.2: Positive Displacement Mud Pumps
Positive displacement mud pumps use reciprocating motion to displace drilling fluids. They are capable of maintaining a consistent flow rate, ideal for drilling operations requiring precise control over mud circulation. These pumps are oftentimes used for complex drilling projects and in scenarios where high pressures are required.
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