Washoverpyp is 'n spesiale gereedskap wat algemeen gebruik word om vasgesteekte gedeelte van die boorstring in die boorput vry te laat. TIANHE bied 'n volledige reeks spoelpype vir die bedryf. TIANHE bied 'n unieke FJWP-draad wat 'n tweestap-dubbelskouer-skroefverbinding aanneem wat vinnige opmaak en hoë torsiesterkte verseker.
| Model |
Produk kode | OD | ID | Muurdikte | Min.Gat Grootte | Max.Trekbelasting KN | Maks. Trekbelasting kN | Verbinding Veld Wringkrag Nm | Seëldruk MPa. |
| MM | |||||||||
| TXG114.30-8.56 | L21-190 | 114.30 | 97.18 | 8.56 | 120.65 | 80.90 | 390 | 9490 | 20 |
| TXG127-9.19 | L21-230 | 127 | 108.62 | 9.19 | 146.05 | 101.6 | 440 | 12202 | 20 |
| TXG139.70-9.17 | L21-270 | 139.70 | 121.36 | 9.17 | 152.4 | 117.48 | 500 | 14914 | 20 |
| TXG146.05-7.92 | L21-300 | 146.05 | 130.21 | 7.92 | 161.93 | 127.00 | 500 | 14914 | 20 |
| TXG146.05-9.00 | L21-320 | 146.05 | 128.05 | 9.00 | 161.93 | 120.65 | 560 | 16269 | 20 |
| TXG168.28-8.94 | L21-380 | 168.28 | 150.39 | 8.94 | 187.33 | 142.88 | 600 | 21693 | 15 |
| TXG177.80-9.19 | L21-420 | 177.80 | 159.42 |
9.19 | 200.03 | 152.40 | 640 | 24404 | 15 |
| TXG193.68-9.53 | L21-490 | 193.68 | 174.63 | 9.53 | 221.73 | 168.28 |
700 | 31183 | 15 |
| TXG193.68-10.92 | L21-500 | 193.68 | 171.83 | 10.92 | 212.73 | 165.10 | 810 | 36607 | 15 |
| TXG193.68-12.70 | L21-510 | 193.68 | 168.28 | 12.70 | 212.73 | 161.93 | 1060 | 43386 | 15 |
| TXG203.20-9.53 | L21-530 | 203.20 | 184.15 | 9.53 | 215.90 | 177.00 | 820 | 32539 | 15 |
| TXG206.38-9.40 | L21-540 | 206.38 | 187.58 | 9.40 | 215.90 | 177.80 | 830 | 32539 | 15 |
| TXG219.07-11.43 | L21-600 | 219.07 | 196.21 | 11.43 | 244.48 | 187.33 | 1100 | 47453 | 15 |
| TXG219.07-12.70 | L21-610 | 219.07 | 193.67 | 12.70 | 244.48 | 184.15 | 1220 | 54232 | 15 |
| TXG228.60-10.80 | L21-620 | 228.60 | 207.01 | 10.80 | 250.83 | 200.03 | 1260 | 47453 | 15 |
| TXG244.48-11.99 | L21-690 | 244.48 | 220.50 | 11.99 | 266.70 | 212.73 | 1460 | 67791 | 15 |
| TXG244.48-13.84 | L21-700 | 244.48 | 216.80 | 13.84 | 266.70 | 206.37 | 1560 | 81349 | 15 |
| TXG273.05-11.43 | L21-720 | 273.05 |
250.19 | 11.43 | 290.45 | 238.13 | 1620 | 81349 | 15 |
| TXG273.05-12.57 | L21-730 | 273.05 | 247.91 | 12.57 | 298.45 | 234.95 | 1640 | 88128 | 15 |
| TXG298.44-12.42 | L21-750 | 298.44 | 273.60 | 12.42 | 323.85 | 263.53 | 1800 | 108465 | 10 |
| TXG339.72-13.06 | L21-760 | 339.72 | 313.60 | 13.06 | 365.13 | 301.62 | 2020 | 149140 | 10 |
| TXG406.40-16.66 | L21-770 | 406.40 | 373.08 | 16.66 | 444.50 | 355.60 | 2500 | 254894 | 7.0 |