Split (1)

train · 8.44k rows

segment_id large_string	measurement_date timestamp[us]	measurement_num int64	age_years float64	material large_string	diameter_mm float64	nominal_thickness_mm float64	coating_type large_string	cathodic_protection int64	fluid_type large_string	corrosion_mechanism large_string	seam_type large_string	temperature_c float64	pressure_bar float64	flow_rate_m3h float64	pH float64	co2_partial_pressure_bar float64	h2s_ppm float64	water_cut_pct float64	inhibitor_dose_ppm float64	chloride_ppm float64	dissolved_o2_ppb float64	coating_condition float64	measured_thickness_mm float64	corrosion_rate_mm_yr float64	cumulative_thickness_loss_mm float64	normalized_thickness float64	remaining_useful_life_years float64	retirement_thickness_mm float64	alert_level large_string	month int32	year int32	quarter int32	thickness_lag_1 float64	corr_rate_lag_1 float64	thickness_lag_2 float64	corr_rate_lag_2 float64	thickness_lag_3 float64	corr_rate_lag_3 float64	thickness_change float64	thickness_change_pct float64	corr_rate_rolling_3 float64	corr_rate_acceleration float64	temp_pressure_interaction float64	flow_watercut_interaction float64	co2_ph_interaction float64	days_since_install float64	days_between_measurements float64
SEG-0249	2017-07-08T00:00:00	28	26.52	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	51.8	93.9	276.5	4.02	0.192	231.3	76.1	133	253.6	2.2	0	2.987	0.1453	2.533	0.5412	9.16	1.66	caution	7	2,017	3	2.955	0.2027	3.02	0.1955	3.35	0.1141	0.032	1.08291	0.181167	-0.0574	4,864.02	21,041.65	0.57216	9,874.43	174
SEG-0249	2017-12-15T00:00:00	29	26.95	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	54.9	92.9	307.8	4.11	0.169	244.8	84.2	129.1	263.6	29.3	0	3.055	0.0918	2.465	0.5534	15.24	1.66	caution	12	2,017	4	2.987	0.1453	2.955	0.2027	3.02	0.1955	0.068	2.276532	0.1466	-0.0535	5,100.21	25,916.76	0.48841	10,191.4875	160
SEG-0249	2018-05-24T00:00:00	30	27.39	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	63	94.9	310	4.35	0.17	258.5	77.2	154.2	254.9	24.8	0	2.965	0.1255	2.555	0.5371	10.43	1.66	caution	5	2,018	2	3.055	0.0918	2.987	0.1453	2.955	0.2027	-0.09	-2.94599	0.120867	0.0337	5,978.7	23,932	0.4505	10,147.1975	160
SEG-0249	2018-10-17T00:00:00	31	27.79	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	42.1	93.9	300.3	3.8	0.082	234.3	73.9	153.7	236.6	20.7	0	2.95	0.0335	2.57	0.5345	38.6	1.66	caution	10	2,018	4	2.965	0.1255	3.055	0.0918	2.987	0.1453	-0.015	-0.505902	0.0836	-0.092	3,953.19	22,192.17	0.2624	10,439.2975	146
SEG-0249	2019-03-29T00:00:00	32	28.24	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	64.7	99.5	318	4.11	0	235.7	83.5	125.1	233	5.7	0	2.927	0.1971	2.593	0.5303	6.45	1.66	caution	3	2,019	1	2.95	0.0335	2.965	0.1255	3.055	0.0918	-0.023	-0.779661	0.1187	0.1636	6,437.65	26,553	0	10,401.66	163
SEG-0249	2019-10-12T00:00:00	33	28.78	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	41.9	92.1	267.2	3.81	0	250.9	80.5	155.4	207.1	0	0	2.868	0.067	2.652	0.5196	18.08	1.66	caution	10	2,019	4	2.927	0.1971	2.95	0.0335	2.965	0.1255	-0.059	-2.015716	0.0992	-0.1301	3,858.99	21,509.6	0	10,795.895	197
SEG-0249	2020-03-26T00:00:00	34	29.23	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	61.4	97.1	346.4	3.78	0	253.2	86.4	143.9	220.1	27.6	0	2.795	0.0856	2.725	0.5064	13.31	1.66	caution	3	2,020	1	2.868	0.067	2.927	0.1971	2.95	0.0335	-0.073	-2.545328	0.116567	0.0186	5,961.94	29,928.96	0	10,761.2575	166
SEG-0249	2020-09-09T00:00:00	35	29.69	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	50.7	98.6	271.9	3.91	0	246.2	74.6	152.1	233.3	5.1	0	2.739	0.0383	2.781	0.4962	28.26	1.66	caution	9	2,020	3	2.795	0.0856	2.868	0.067	2.927	0.1971	-0.056	-2.003578	0.063633	-0.0473	4,999.02	20,283.74	0	11,096.2725	167
SEG-0249	2021-02-21T00:00:00	36	30.14	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	67.6	92.1	341.7	3.84	0	240.1	80.7	154.8	231.7	39.8	0	2.71	0.0568	2.81	0.4909	18.57	1.66	caution	2	2,021	1	2.739	0.0383	2.795	0.0856	2.868	0.067	-0.029	-1.058781	0.060233	0.0185	6,225.96	27,575.19	0	11,059.635	165
SEG-0249	2021-08-20T00:00:00	37	30.63	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	50.6	94.1	284.8	4.06	0	234.9	80.4	147.2	249.5	29.6	0	2.772	0.0889	2.748	0.5022	12.55	1.66	caution	8	2,021	3	2.71	0.0568	2.739	0.0383	2.795	0.0856	0.062	2.287823	0.061333	0.0321	4,761.46	22,897.92	0	11,418.6075	180
SEG-0249	2022-02-11T00:00:00	38	31.11	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	53.5	93.3	341.4	3.98	0.015	257.2	79.6	130.5	226.3	18.1	0	2.689	0.1015	2.831	0.4871	10.18	1.66	caution	2	2,022	1	2.772	0.0889	2.71	0.0568	2.739	0.0383	-0.083	-2.994228	0.0824	0.0126	4,991.55	27,175.44	0.0453	11,403.9275	175
SEG-0249	2022-08-27T00:00:00	39	31.65	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	42.2	93.9	264.4	3.42	0.159	269.2	81.9	137.9	264.3	39.4	0	2.824	0.1126	2.696	0.5115	10.37	1.66	caution	8	2,022	3	2.689	0.1015	2.772	0.0889	2.71	0.0568	0.135	5.020454	0.101	0.0111	3,962.58	21,654.36	0.56922	11,798.1625	197
SEG-0249	2023-02-25T00:00:00	40	32.15	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	65.6	88.4	321.4	4.35	0.069	222.5	83.5	123.4	255.9	16.1	0	2.653	0.1275	2.867	0.4806	7.82	1.66	caution	2	2,023	1	2.824	0.1126	2.689	0.1015	2.772	0.0889	-0.171	-6.055241	0.113867	0.0149	5,799.04	26,836.9	0.18285	11,797.7875	182
SEG-0249	2023-08-25T00:00:00	41	32.65	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	45	92.5	304.6	4.01	0.216	292.3	82.7	146.5	263.5	17.2	0	2.375	0.0938	3.145	0.4302	7.66	1.66	warning	8	2,023	3	2.653	0.1275	2.824	0.1126	2.689	0.1015	-0.278	-10.478703	0.1113	-0.0337	4,162.5	25,190.42	0.64584	12,161.4125	181
SEG-0249	2024-02-19T00:00:00	42	33.13	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	68.4	92.9	306.2	4.49	0	227.9	77.9	154.8	206.8	26	0	2.436	0.0515	3.084	0.4414	15.17	1.66	warning	2	2,024	1	2.375	0.0938	2.653	0.1275	2.824	0.1126	0.061	2.568421	0.090933	-0.0423	6,354.36	23,852.98	0	12,149.7325	178
SEG-0249	2024-07-17T00:00:00	43	33.54	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	55.3	90.8	298.6	3.92	0.16	226.6	80.8	148.4	250.3	41.7	0	2.551	0.0771	2.969	0.4622	11.61	1.66	caution	7	2,024	3	2.436	0.0515	2.375	0.0938	2.653	0.1275	0.115	4.720854	0.074133	0.0256	5,021.24	24,126.88	0.4928	12,448.485	149
SEG-0249	2024-12-10T00:00:00	44	33.94	X65	219.1	5.52	none	0	gas_condensate	pitting	seamless	51.7	98.8	271.3	4.07	0.193	258.7	76.2	142.4	224.5	24.2	0	2.442	0.0514	3.078	0.4424	15.28	1.66	warning	12	2,024	4	2.551	0.0771	2.436	0.0515	2.375	0.0938	-0.109	-4.272834	0.06	-0.0257	5,107.96	20,673.06	0.56549	12,740.585	146
SEG-0250	2012-01-01T00:00:00	1	0	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	58.8	91.4	413.3	4.51	2.301	255.2	51.1	117.1	470	24.3	0.018	9.476	0.2219	0.024	0.9974	29.85	2.85	normal	1	2,012	1	null	null	null	null	null	null	null	null	0.2219	null	5,374.32	21,119.63	5.72949	0	null
SEG-0250	2012-07-25T00:00:00	2	0.56	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	42.3	86.9	406.1	4.25	1.949	237.3	56.5	102.8	447.1	10	0.036	9.358	0.1152	0.142	0.9851	50	2.85	normal	7	2,012	3	9.476	0.2219	null	null	null	null	-0.118	-1.245251	0.16855	-0.1067	3,675.87	22,944.65	5.35975	410.54	206
SEG-0250	2013-02-06T00:00:00	3	1.1	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	52.7	91.3	438.6	3.7	1.988	221.1	56.6	131.9	456.1	15.7	0.054	9.241	0.1645	0.259	0.9728	38.85	2.85	normal	2	2,013	1	9.358	0.1152	9.476	0.2219	null	null	-0.117	-1.250267	0.1672	0.0493	4,811.51	24,824.76	6.5604	437.775	196
SEG-0250	2013-10-03T00:00:00	4	1.75	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	39.8	89.8	381.8	3.97	2.178	206.6	51.1	116.1	428.9	28.8	0.072	9.136	0.1058	0.364	0.9617	50	2.85	normal	10	2,013	4	9.241	0.1645	9.358	0.1152	9.476	0.2219	-0.105	-1.136241	0.1285	-0.0587	3,574.04	19,509.98	6.59934	914.1875	239
SEG-0250	2014-05-28T00:00:00	5	2.4	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	47.4	93.1	407.3	4.07	2.218	213.5	52.6	126.8	497	19.1	0.09	9.041	0.1279	0.459	0.9517	48.39	2.85	normal	5	2,014	2	9.136	0.1058	9.241	0.1645	9.358	0.1152	-0.095	-1.039842	0.132733	0.0221	4,412.94	21,423.98	6.49874	1,023.6	237
SEG-0250	2015-01-30T00:00:00	6	3.08	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	62.5	88	423.5	4.25	2.155	248.2	57.9	101.9	438.4	2	0.108	8.942	0.3325	0.558	0.9412	18.32	2.85	normal	1	2,015	1	9.041	0.1279	9.136	0.1058	9.241	0.1645	-0.099	-1.095012	0.188733	0.2046	5,500	24,520.65	5.92625	1,153.97	247
SEG-0250	2015-09-05T00:00:00	7	3.68	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	46.4	92.3	386.5	3.97	1.974	225.4	53.5	118.5	452.2	3	0.126	8.876	0.1398	0.624	0.9343	43.11	2.85	normal	9	2,015	3	8.942	0.3325	9.041	0.1279	9.136	0.1058	-0.066	-0.73809	0.200067	-0.1927	4,282.72	20,677.75	5.98122	1,591.12	218
SEG-0250	2016-03-28T00:00:00	8	4.24	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	65.4	93.2	469.2	3.68	1.809	247.8	58.6	120.3	469	32.6	0.144	8.637	0.3286	0.863	0.9091	17.61	2.85	normal	3	2,016	1	8.876	0.1398	8.942	0.3325	9.041	0.1279	-0.239	-2.692654	0.266967	0.1888	6,095.28	27,495.12	6.00588	1,635.66	205
SEG-0250	2016-11-04T00:00:00	9	4.84	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	41.9	91.4	402.2	4.61	2.314	215	57.2	98.9	491.8	41.3	0.162	8.572	0.1307	0.928	0.9023	43.76	2.85	normal	11	2,016	4	8.637	0.3286	8.876	0.1398	8.942	0.3325	-0.065	-0.752576	0.1997	-0.1979	3,829.66	23,005.84	5.53046	2,075.81	221
SEG-0250	2017-06-19T00:00:00	10	5.46	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	61.3	87.2	430.3	4.45	1.798	262.1	55.7	130.4	441.5	28.6	0.18	8.388	0.1794	1.112	0.8829	30.87	2.85	normal	6	2,017	2	8.572	0.1307	8.637	0.3286	8.876	0.1398	-0.184	-2.146524	0.2129	0.0487	5,345.36	23,967.71	4.5849	2,163.265	227
SEG-0250	2018-01-18T00:00:00	11	6.05	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	49.9	85.6	417.8	4.83	2.005	243.8	56.9	117.2	465.5	32.2	0.198	8.13	0.1178	1.37	0.8558	44.84	2.85	normal	1	2,018	1	8.388	0.1794	8.572	0.1307	8.637	0.3286	-0.258	-3.075823	0.142633	-0.0616	4,271.44	23,772.82	4.35085	2,226.7625	213
SEG-0250	2018-08-07T00:00:00	12	6.6	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	44.6	89.6	419.5	4.36	2.326	243.2	62	116.6	447.3	18	0.216	8.332	0.1142	1.168	0.8771	47.99	2.85	normal	8	2,018	3	8.13	0.1178	8.388	0.1794	8.572	0.1307	0.202	2.484625	0.137133	-0.0036	3,996.16	26,009	6.14064	2,628.65	201
SEG-0250	2019-03-10T00:00:00	13	7.19	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	56.2	94.2	428.5	4.58	2.005	222.4	60.7	135.7	473	26.1	0.234	8.221	0.1341	1.279	0.8654	40.06	2.85	normal	3	2,019	1	8.332	0.1142	8.13	0.1178	8.388	0.1794	-0.111	-1.332213	0.122033	0.0199	5,294.04	26,009.95	4.8521	2,694.1475	215
SEG-0250	2019-09-19T00:00:00	14	7.72	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	36	92.2	411.6	4.63	2.139	214.6	56.1	109.9	454.4	28.4	0.252	8.166	0.0772	1.334	0.8595	50	2.85	normal	9	2,019	3	8.221	0.1341	8.332	0.1142	8.13	0.1178	-0.055	-0.669018	0.1085	-0.0569	3,319.2	23,090.76	5.06943	3,080.73	193
SEG-0250	2020-03-26T00:00:00	15	8.23	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	54.3	89.7	454.7	4.66	1.996	250.2	55.8	99.5	452.2	5.6	0.27	8.013	0.1856	1.487	0.8435	27.82	2.85	normal	3	2,020	1	8.166	0.0772	8.221	0.1341	8.332	0.1142	-0.153	-1.873622	0.1323	0.1084	4,870.71	25,372.26	4.67064	3,091.0075	189
SEG-0250	2020-11-06T00:00:00	16	8.85	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	41.3	84.3	381	4.46	2.198	257.7	61.6	119.2	467.4	51.7	0.288	7.957	0.0838	1.543	0.8376	50	2.85	normal	11	2,020	4	8.013	0.1856	8.166	0.0772	8.221	0.1341	-0.056	-0.698864	0.115533	-0.1018	3,481.59	23,469.6	5.58292	3,542.4625	225
SEG-0250	2021-05-22T00:00:00	17	9.39	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	51.6	85.9	465.8	3.73	2.168	246.9	59.3	104.1	454.6	33.4	0.306	7.806	0.2251	1.694	0.8217	22.02	2.85	normal	5	2,021	2	7.957	0.0838	8.013	0.1856	8.166	0.0772	-0.151	-1.8977	0.164833	0.1413	4,432.44	27,621.94	7.08936	3,570.6975	197
SEG-0250	2021-11-29T00:00:00	18	9.91	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	45.2	87.9	391.6	4.13	2.349	256.8	61.3	94.7	475.8	19.1	0.324	7.783	0.1782	1.717	0.8193	27.68	2.85	normal	11	2,021	4	7.806	0.2251	7.957	0.0838	8.013	0.1856	-0.023	-0.294645	0.162367	-0.0469	3,973.08	24,005.08	6.74163	3,951.6275	191
SEG-0250	2022-06-25T00:00:00	19	10.48	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	47	87.2	408.7	4.76	1.886	274.1	77.1	109.6	455.5	17.6	0.342	7.841	0.1057	1.659	0.8254	47.21	2.85	normal	6	2,022	2	7.783	0.1782	7.806	0.2251	7.957	0.0838	0.058	0.745214	0.169667	-0.0725	4,098.4	31,510.77	4.22464	4,002.82	208
SEG-0250	2023-02-17T00:00:00	20	11.13	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	56.2	89.7	446.8	4	1.768	257.2	80.7	108.7	439.9	14.9	0.36	7.314	0.2238	2.186	0.7699	19.95	2.85	normal	2	2,023	1	7.841	0.1057	7.783	0.1782	7.806	0.2251	-0.527	-6.721081	0.169233	0.1181	5,041.14	36,056.76	5.304	4,112.2325	237
SEG-0250	2023-09-06T00:00:00	21	11.68	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	42.2	84.9	405.2	4.33	2.006	222.1	87.2	101	452.6	33.6	0.378	7.608	0.1128	1.892	0.8008	42.16	2.85	normal	9	2,023	3	7.314	0.2238	7.841	0.1057	7.783	0.1782	0.294	4.019688	0.147433	-0.111	3,582.78	35,333.44	5.35602	4,514.12	201
SEG-0250	2024-04-29T00:00:00	22	12.33	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	51.4	91.5	442	4.01	2.135	228.6	78.3	94.4	477.7	44.9	0.396	7.155	0.2271	2.345	0.7532	18.96	2.85	normal	4	2,024	2	7.608	0.1128	7.314	0.2238	7.841	0.1057	-0.453	-5.954259	0.1879	0.1143	4,703.1	34,608.6	6.38365	4,622.5325	236
SEG-0250	2024-11-21T00:00:00	23	12.89	X42	609.6	9.5	CTE	1	crude_oil	co2_corrosion	SAW	43.1	95.3	424.5	4.29	1.837	248.6	80.6	137.9	484.1	43.3	0.414	7.377	0.0759	2.123	0.7765	50	2.85	normal	11	2,024	4	7.155	0.2271	7.608	0.1128	7.314	0.2238	0.222	3.102725	0.1386	-0.1512	4,107.43	34,214.7	4.97827	5,033.0725	206

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