The casing head housing is provided with a straight bore bowl design, which avoids damage to sealing areas by drilling tools and prevents test plug and bowl protector wedging problems when pressure is applied. It also allows the acceptance of manual and automatic slip type casing hangers as well as mandrel casing hangers. This straight bore design also reduces maintenance costs and permits suspension of heavy casing loads.View
The casing head spool has a top bowl to accommodate the casing hanger. The spool also has a bottom bowl with a pack off seal to accommodate various types of secondary seals, and a bottom flange or clamp hub for mounting it on top of a casing head or previous spool. Outlets are provided for annular access. Multiple casing spools may be stacked to hang intermediate and production casing strings.View
Slip-type casing hangers provide a method to transfer the weight or tension load of a casing string to a casing head or spool.
Slip-type hangers are available in automatic-sealing and manual-sealing varieties. Automatic hangers have seals that are energised by casing weight, while non-automatic hangers have seals that require means other than casing weight to be energised.
The tubing head is the top spool on a surface wellhead assembly. It is installed after the last hanger or production casing/tubing annulus seal. When the well is completed, the tree is installed on top of the tubing head with a tubing head adapter.View
Studded or flanged adapters, tree caps, specific number of gate valves, surface safety valve with or without wireline cutting (hydraulic and pneumatic actuator), chokes and studded tees or crosses upon customer request.View
Delta can provide customers with several sizes of dual block X-mas trees with manually operated valves and actuator-operated valves.
The purpose of using dual bores is to produce oil from different levels inside the same well and using them (the dual bores) for multi-lateral drilling.
Delta has manufactured several sizes of solid block X-mas trees with manually operated valves and actuator-operated valves. The range manufactured covers single bores and dual bores.View
Tree caps are installed on the top of X-mas trees for quick access to the tubing bore via a tester or lubricator adapter for bottom hole testing, installing back-pressure valves, etc. The bottom hole test adapter allows a ﬂexible means of entry into the tubing bore.View
Suitable for offshore and onshore locations and ideal for use in H2S and CO2 applications, the Delta range of hydraulic piston actuators provides a simple and reliable valve automation solution.View
Delta’s Line Pressure Operated (DLPO) Surface Safety Systems are hydraulically operated flow line control valves, arranged to protect a facility from the effects of pipeline failures.View
The Self-Contained Surface Safety Valve (SCSSV)uses hydraulic fluid pressure generated by a manual hand pump. Its major use is to protect facilities from the effects of pipeline failure and abnormal conditions. Unlike DLPO systems, line pressure is not used to operate the SCSSV system.View
Delta's gate valve has been proven in critical oil field services throughout the world. Its low cost, rugged dependability and ease of operation make it the valve of choice for reliability in the field.View
Choke types: Adjustable chokes & positive chokes
Body design: Angle type
End connections : Flanged or threaded ends