US 12,264,556 B1
Low pressure starter wellhead system and method of assembly for oil and gas applications
Mohammed Eid Almukhlifi, Dhahran (SA); Abdulrhman Al-Hashim, Dhahran (SA); Pandu Wirawan, Dhahran (SA); and Mohammed K. Muqri, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Jan. 25, 2024, as Appl. No. 18/423,078.
Int. Cl. E21B 34/02 (2006.01); E21B 33/068 (2006.01)
CPC E21B 34/02 (2013.01) [E21B 33/068 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A well system, comprising:
a wellhead installation positioned above and extending over a wellbore, the wellhead installation including:
a low pressure wellhead (LPWH) providing a body having opposing upper and lower ends, and an internal through-bore defined within the body and extending between the upper and lower ends;
an upper recessed profile defined within the internal through-bore at or near the upper end;
a retrievable diverter adapter operatively coupled to the LPWH at the upper end;
a bowl protector having opposing upper and lower ends, the upper end of the bowl protector being received within an interior of the retrievable diverter adapter, and the lower end of the bowl protector being received within the internal through-bore at the upper recessed profile;
two or more fluid outlets defined through a sidewall of the body to facilitate fluid communication with the internal through-bore; and
a load shoulder defined within the internal through-bore axially uphole from the two or more fluid outlets;
conductor casing secured the lower end of the body of the LPWH; and
a casing hanger operatively coupled to an extension of casing extending concentrically within the conductor and into the wellbore, the casing hanger defining a hanger shoulder engageable with the load shoulder when the casing hanger is lowered into the LPWH.