The case studies below document completed supply projects — real specifications, real quantities, and real photos from ZC Steel Pipe's mill and shipping records. Each project reflects the engineering and procurement requirements of oil & gas operators, EPC contractors, and industrial clients in the markets we serve.
For similar project requirements, contact hazel.w@zcsteelpipe.com with your specification and quantity.
Africa API 5CT L80-13Cr Flowlines to Africa
3,800 pcs · OD 4½″ × WT 7.37 mm · Plain End · API 5CT PSL2
CO₂-resistant flowline tubing for corrosive production environments.
Africa API 5L X65Q Seamless Line Pipe with 3LPE Coating to Africa
OD 12″ × SCH 40 · 3 mm 3LPE Coating · Beveled End · API 5L PSL2
Offshore and marine oil & gas transmission in corrosive coastal environments.
Africa OCTG and Line Pipe Mixed Supply to Africa — 2,000 Tonnes
K55 13⅜″ Casing · X56 LSAW 20″/24″ · GR.B SCH 80 3LPE · API 5CT & 5L PSL2
Full-scope well construction and gathering-line supply for an African oil & gas development project.
Africa API 5L X70Q Sour-Service Line Pipe with 3LPE Coating to Africa
3,000 pcs · OD 168.28 mm × WT 18.26 mm · 3LPE · API 5L PSL2
Sour natural gas transmission — high-pressure gathering or trunk line service.
South America API 5CT N80Q & J55 Couplings to South America
15,000 pcs · 3½″ / 4½″ / 5½″ · EU & LTC Connections
Production tubing couplings for onshore oil wells in South America.
South America ASTM A192 Cold-Drawn Heat Exchanger Tubes to South America
2,000 pcs · OD 2½″ × WT 3 mm · 25 ft · Clear-Varnished · Plain End
Shell-and-tube heat exchanger bundle for a South American industrial facility.
Africa A 283M Gr.C Carbon Steel Plates for Crude Oil Storage Tank — Africa
500 pcs · 8–14 mm Thickness · 10 m Length · Width 2–2.5 m
Shell and floor plates for a crude oil atmospheric storage tank in Africa.
South America API 5CT L80-1Cr / L80-3Cr with ZC-2 Premium Connection to South America
OD 3½″ × WT 6.45 mm · ZC-2 (VAMTOP Equivalent) · R2 · API 5CT PSL2
Production tubing for oil drilling and transmission in mildly corrosive environments.
Africa API 5CT L80-13Cr Premium Casing with ZC-2 Connection to Africa
OD 4½″ × WT 7.37 mm · ZC-2 (VAMTOP Equivalent) · R3 · PSL2
Casing string for gas transmission in corrosive (CO₂/H₂S) environments.
Africa API 5L X56 Large-Diameter Risers with Quick Make-Up Connection to Africa
280 pcs · OD 30″ (762 mm) · 316.3 ppf · Quick Make-Up Connection · Offshore Drilling
Marine and offshore drilling risers for subsea well operations.
Middle East API 5CT K55 BTC Casing Pipe to the Middle East
1,200 pcs · OD 9⅝″ × 47 ppf · BTC · R3 · API 5CT PSL1
Intermediate or production casing string for onshore oil drilling in the Middle East.
South America API 5CT K55 BTC 20″ Casing Pipe to Colombia
208 pcs · 20″ 106.5 ppf · BTC Connection · R3 · API 5CT PSL1
Surface casing and conductor casing for conventional onshore oil and gas wells in Colombia.
Africa Premium Flush ZC-3 / ZC-31 L80 & P110 Casing to Nigeria — Repeat Order
670 pcs · 13⅜″ L-80 ZC-3 · 9⅝″ P-110 ZC-31 · Full Flush · Nigeria
Deep and ultra-deep wells, HPHT environments, offshore and deepwater completions, and corrosive environments requiring high torque and fatigue resistance.
Africa ZC-2 Gas-Tight Premium Casing S95 Grade 11¾″ to Nigeria
577 pcs · 11¾″ 65 ppf · S-95 · ZC-2 Connection · R3 + Pup Joints
High-pressure gas environments requiring gas-tight sealing; sour service capability for H₂S / CO₂ environments.
Middle East API 5L X56 24″ Conductor Riser with ZC-4S Quick Make-Up Connection to Syria
65 pcs · 24″ 156 ppf · X-56 · ZC-4S Quick Make-Up · SWAL Body · R3
Structural foundation pipe for subsea wells, onshore surface hole drilling, and offshore drilling platform conductor strings.
Africa API 5L X70Q PSL2 Sour Service 6″ SCH 160 Line Pipe 3LPE to Nigeria — Repeat Supply
6,000 pcs · 6″ SCH 160 · 168.28 × 18.26 mm · 3LPE 3 mm · Nigeria
High-pressure sour natural gas transmission — onshore trunk lines and gathering systems in Nigeria.
Africa ZC-3 Semi-Flush L80 Premium Casing 13⅜″ to Egypt — Repeat Order
380 pcs · 13⅜″ 68 ppf · L-80 · ZC-3 Full Flush · R3 · 2026
Deep and ultra-deep wells; HPHT environments; slim-hole and tight-clearance wells where annular space maximisation is critical; horizontal and extended-reach wells; high-pressure gas storage.
Africa ZC-31 Full-Flush P110 Premium Casing 9⅝″ to Africa
580 pcs · 9⅝″ 53.5 ppf · P-110 · ZC-31 Full Flush · R3 · 20 Containers
Slim-hole and ultra-slim wells; HPHT gas-tight sealing; horizontal and extended-reach wells; corrosive environments with H₂S, CO₂, and chlorides.
Africa API 5L X52M LSAW 28″ with 3LPE + Concrete Weight Coating to Africa
350 pcs · 28″ 711 mm × 12.7 mm · LSAW · 3LPE + CWC 70 mm min · PSL2
Deepwater gas export pipelines, offshore crude oil trunk lines, and subsea interconnector pipelines requiring negative-buoyancy concrete weight coating.
Africa API 5L X52 PSL1 & PSL2 Line Pipe with 3LPE Coating — Multi-Size to Nigeria
4,500 pcs · 2″/4″/6″ SCH 80 · 60.3–168.3 mm · 3LPE 3 mm · Lagos
Oil and gas flow lines and gathering lines; offshore and onshore pipelines; water and wastewater infrastructure; cooling water systems in Nigeria.
Africa EACOP API 5L X65M PSL2 LSAW 24″ FBE Pipeline to Nigeria
18,000 t · 24″ 609.6 mm × 10.54 mm · LSAW · FBE Coated · East African Crude Oil Pipeline
Long-distance cross-country crude oil pipeline; high-pressure transmission; corrosive soil environments; sour (H₂S-rich) hydrocarbon service; hydrogen sulfide acid gas gathering.
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Send us your specification — grade, size, quantity, and delivery port — and we will respond within 24 hours with availability and lead time.
Contact Hazel — hazel.w@zcsteelpipe.com