import pandas as pd
import numpy as np
import scipy.optimize

import matplotlib.pyplot as plt
import plotly.graph_objects as go

from sklearn.ensemble import RandomForestRegressor
from sklearn.preprocessing import StandardScaler

import lasio      # LAS file reading
import welly      # Well log analysis
import striplog   # Lithology and stratigraphy

from worldenergydata.decline_curves import arps_decline
from worldenergydata.pvt import standing_correlation
from worldenergydata.material_balance import tank_model
from worldenergydata.economics import npv_analysis