v21: revert Rwa correction (hurt score), keep RMFT Fahrenheit fix

pipeline.py

@@ -255,26 +255,6 @@ def get_rw(las, gr=None):
     return estimate_rw(las, gr=gr)
 
 
-def rwa_correct_rw(rw_sp, phie, rt, vsh):
-    """
-    Cross-check Rw via Rwa method. SP can be suppressed in thin beds,
-    inflating Rw and causing missed pay. If Rwa is significantly lower than
-    SP_Rw, use geometric mean as a more conservative estimate.
-    """
-    if rt is None or phie is None or vsh is None:
-        return rw_sp
-    clean = (vsh < 0.40) & (phie > 0.08) & np.isfinite(rt) & (rt > 0.05) & (rt < 200)
-    if clean.sum() < 5:
-        return rw_sp
-    rwa = rt[clean] * phie[clean]**2
-    rwa_ok = rwa[(rwa > 0.003) & np.isfinite(rwa)]
-    if len(rwa_ok) < 5:
-        return rw_sp
-    rw_rwa = float(np.nanpercentile(rwa_ok, 10))
-    # Only correct when Rwa is strongly lower (SP suppressed by >3x)
-    if rw_rwa < rw_sp / 3.0:
-        return float(np.clip(np.sqrt(rw_sp * rw_rwa), 0.005, 2.0))
-    return rw_sp
 
 
 def compute_sw(phie, rt, rw):
@@ -539,7 +519,6 @@ def process_well(input_path, output_path):
     phie = compute_phie(phit, vsh)
 
     rw = get_rw(las, gr=gr)
-    rw = rwa_correct_rw(rw, phie, rt, vsh)
     if rt is not None:
         sw = compute_sw(phie, rt, rw)
     else: