other
HOT PRODUCT
  • Non-Magnetic Drill Collar
    Non-Magnetic Drill Collar

    ‌RockySea Petro Non-Magnetic Drill CollarThe non-magnetic drill collar is made of low chromium manganese alloy steel, which is forged through strict chemical composition analysis. All  non-magnetic drill collars produced from RockySea Petro have been tested for mechanical properties to ensure that their hardness, toughness, impact value and corrosion resistance meet the standards, with good low magnetic permeability and good machining performance.Description  The structure of non-magnetic dri

    VIEW DETAILS
  • Common Sucker Rod
    Common Sucker Rod

    ‌RockySea Petro Common Sucker RodRockySea Petro can supply common sucker rods and pony rods which comply with intl standard. These sucker rods also have various types to fit different environments and applications. They are manufactured through many processes including the testing, straightening and forging. Sucker rods of RockySea Petro are made of high quality carbon steel and alloy steeldue to customer request. Oursucker rods are exported to the United States, Canada, Europe, Africa and Middle East, and we esta

    VIEW DETAILS
  • Vacuum Insulation Tubing & Casing
    Vacuum Insulation Tubing & Casing

    ‌RockySea Petro Vacuum Insulation Tubing & CasingRockySea Petro Petro manufactures Vacuum Insulation Tubing & Casing in China. We have our own factory of Vacuum insulation tubing & casing. RockySea Petro Petro provide the high quality and competitive price on Vacuum insulation tubing & casing for you. Contact us now for Vacuum insulation tubing & casing quotation.Perfect quality control and strict material selection, guarantee the service life in the industry leading level.Advanced 3-level vacuum pump, automatic w

    VIEW DETAILS
  • Casing Stop Ring
    Casing Stop Ring

    ‌RockySea Petro Casing Stop RingDatasheetUseWhen using the top thread stop ring, the following steps should be followed.1. When using the fixed screw type, first insert the sleeve, then insert the screw and use a hammer to strike.2. The conventional stop ring should be inserted into the sleeve first, and then the screw should be tightened with a wrench.3. Snap on the locking ring, directly attach the locking ring to the sleeve, lock it with a pin, and then tap in the screw.TypeThe stop rings of

    VIEW DETAILS
  • Workover Rig
    Workover Rig

    ‌RockySea Petro Workover RigWorkover Rig is a specialized piece of equipment used in the oil and gas industry for performing workover operations. Workover operations involve tasks such as well stimulation, well abandonment, and well intervention, which require a rig capable of handling various tools and techniques. The Workover Rig is designed to be robust and versatile, able to handle a wide range of jobs efficiently and safely. It typically consists of a mast, which supports the rig's lif

    VIEW DETAILS

Casing Head And Tubing Head

Date:2024-05-06 Popularity:778

RockySea Petro Casing Head And Tubing Head



RockySea Petro casing heads strictly conform to the International standard, and are among the most reliable oilfield casing heads. Usually, the casing head lies at the bottom of the wellhead and X-mas tree equipment. It supports the drilling wellhead, the casing head spool, the X-mas tree and completion equipment. The casing head is used to connect the casing string and packing off the next casing string. The connecting type includes slip-on weld, thread and slip lock. The casing head made by Sabjack is suitable for standard/H2S services. The working pressure is up to 20000psi and temperature ranges from -60 ℃ to 390℃.


Description 

Casing head is mainly used to fix the wellhead of the drilling well, connect the downhole casing string, and reliably seal and control the annular space between the casings. It is an important component of oil &gas wellhead equipment in the oilfield.

oil tubing head

1.Structural features

The pressure bearing shell is made of forged alloy steel with high strength, few defects and high pressure bearing capacity. The mandrel hanger is made of forgings, which leads to high bearing capacity and reliable sealing. All metal parts of slip hanger are made of forged alloy steel. The slip teeth are carburized and quenched. The unique tooth shape design has the characteristics of reliable operation and high bearing strength. The valve equipped adopts a non-rising stem, which has small switching torque and convenient operation. The slip type hanger and mandrel type hanger can be interchanged.

The casing hanging mode: slip type, thread type and sliding welding type.

Parameters:

Rated WP21MPa、35MPa 、70MPa 、105MPa
PSLPSL1、PSL2、PSL3、PSL3G、PSL4
PRPR1
TCP、U、L
MCAA、BB、CC、DD、EE、FF


2.Casing head type:

Single stage thread type: it can process all kinds of casing thread and connected with the surface casing through the pin*pin nipple, which is quick and convenient to install. The production casing can be suspended by mandrel or slip.

single stage thread type casing head

Split double stage type: it can hang three layers of casing, the surface casing can be threaded or sliding into welding type, and the technical casing and production casing can be of slip type or mandrel type.



Slip type bottom connection casing head: the upper locking screw is used to make the slip tooth clamp the surface casing. And BT type casing sealing ring is provided, which is firmly connected, convenient and reliable.

Slip type bottom connection casing head

3. Casing head auxiliary tools

Wearing bush ,Wearing bush is mainly used to prevent the casing head and the inner cavity sealing surface of cross from damage by drilling tools during drilling operation.

wearing bush

On-going tools ,Used to take out the Wearing bush.

on going tools


Pressure test plug ,The pressure test plug is located on the inner shoulder of the casing head spool and tests the tightness of the BOP, drilling spool and casing head through the drill pipe.

Pressure test plug


Data Sheet

Working pressure (PSI)2000, 3000, 5000,10000,15000,20000
Nominal diameter (inch)2-1/16、2-9/16、3-1/8、4-1/16
Working temperature ℃K,LU ,X,Y(-60℃-370℃)
Working mediaOil/Gas
Material classAA/BB/CC/DD/EE/FF/HH
Specification levelPSL1/PSL2, PSL3/3G, PSL4
Performance levelPR1  PR2


RockySea Petro Copyright © 2008-2025 Inc. SITEMAP